1.______，Mother will wait for him to have dinner together.
A.However late is he B.However late he is
C.However is he late D.However he is late
2.After the war，a new school building was put up______there had once been a theatre.
A.that B.when C.which D.where
3.Why do you want a new job______you’ve got such a good one already？
A.that B.where C.which D.when
4.—I’m going to the post office.
—______you’re there，can you get me some stamps？
A.As B.While C.Because D.If
5.You should make it a rule to leave things______you can find them again.
A.when B.where C.then D.which
6.______you’ve got a chance，you might as well make full use of it.
A.Now that B.After C.Although D.As soon as
7.We’ll have to finish the job，______.
A.long it takes however B.it takes however long
C.long however it takes D.however long it takes
8.Someone called me up in the middle of the night，but they hung up______I could answer the phone.
A.as B.since C.until D.before
9.The WTO cannot live up to its name______it does not include a country that is home to one fifth of mankind.
A.as long as B.while C.if D.even though
10.John shut everybody out of the kitchen______he could prepare his grand surprise for the party.
A.which B.when C.so that D.as if
11.Don’t be afraid of asking for help______it is needed.
A.unless B.since C.although D.when
12.We won’t give up______we should fail 10 times.
A.even if B.since C.whether D.until
13.______you have seen both fighters，______will win？
A.Since；do you think who B.As；who do you think
C.When；who ever D.Since；who do you think
14.______much advice I gave him，he did exactly what he wanted to do.
A.How B.Whatever C.However D.No matter
15.I thought her nice and honest______I met her.