1.You had better book rooms at the hotel in advance________you should find no room on your arrival.
A.so that B.even if C.in case D.now that
2._________computer games bring us a lot of pleasure, I don’t think it wise to spend too much money and time on them.
A.Because B.As C.While D.if
3.________you are unable to deal with it, perhaps we should ask someone else for help.
A.Although B.While C.Since D.Unless
4.________I have to give a speech, I get extremely nervous before I start.
A.Whatever B.Whenever C.Whoever D.However
5.Air pollution is getting more and more serious, so we must take action_________it is too late.
A.before B.after C.until D.when
6.Provide your doctor with a detailed medical history_________he can give you accurate treatment.
A.even if B.in case C.so that D.as though
7.The pupils were playing games in the classroom_________a gunman entered and began shooting wildly at them.
A.while B.when C.as D.before
8.There is no point advocating banning smoking in public_________the law is introduced.
A.when B.unless C.since D.because
9.---Are you willing to help him?
----Yes,________he did, I may set an example to him.
A.no matter how B.no matter what C.whoever D.however
10.---The iPad mini cost me about 3000 yuan.
----Well, it was crazy of you to spend so much money on Apple products_________you could buy another brand.
A.when B.unless C.which D.that
11.Actually, the London Olympic Park is built__________there used to be a poor area called East London.
A.what B.when C.where D.why
12.---I don’t mind how you do it________you finish the painting on time.
----OK, I see.
A.as well as B.as far as C.as long as D.as fast as
13.He is so busy, He cannot afford enough time with his son________he wants to.
A.even if B.as if C.because D.before
14.One can always manage to do more things, no matter_________full one’s schedule is in life.
A.how B.what C.when D.where
15.Great changes have taken place in our school__________you left.
A.since B.until C.before D.when
16._________we have enough evidence, we can’t win the case.
A.Once B.As long as C.Unless D.Since
17.Men differ from animals__________they can think and speak.
A.for which B.for that C.in that D.in which
18.Mark needs to learn Chinese________his company is opening a branch in Beijing.
A.unless B.until C.although D.since
19.---Coach, can I continue with the training?
----Sorry, you can’t________you haven’t recovered from the knee injury.
A.until B.before C.as D.unless
20.In the global economy, a new drug for cancer,_________it is discovered, will create many economic possibilities around the world.
A.whatever B.whoever C.wherever D.whichever
21.If you happen to get lost in the wild, you’d better stay_________you are and wait for help.
A.why B.where C.who D.what
22.Jack wasn’t saying anything, but the teacher smiled at him__________he had done something very clever.
A.as if B.in case C.while D.though
23.Cathy and quit her job when her son was born__________she could stay home and raise her family.
A.now that B.as if C.only if D.so that
24.________you start eating in a healthier way, weight control will become much easier.
A.Unless B.Although C.Before D.Once
25.You can’t borrow books from the school library__________you get your student card.
A.before B.if C.while D.as
26.It was the middle of the night__________my father woke me up and told me to watch the football game.
A.that B.as C.which D.when
27.Today, we will begin_________we stopped yesterday so that no point will be left out.
A.when B.where C.how D.what
28.Half an hour later, Lucy still couldn’t get a taxi__________the bus had dropped her.
A.until B.when C.although D.where
29.You should have put the book_________you found it.
A.which B.that C.what D.where
30.It’s much easier to achieve success_________you can get help from your family.
A.unless B.when C.even though D.so that
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