A、 even if
B、 unless
C、 as that
D、 so long as
答案：D
解析：解析:even if意为“即使”:unless意为“除非”;so long as意为“只要”。根据题意,选D。
A、 even if
B、 unless
C、 as that
D、 so long as
答案：D
解析：解析:even if意为“即使”:unless意为“除非”;so long as意为“只要”。根据题意,选D。
A. will come back
B. come back
C. would come back
D. came back
解析：解析:主句谓语动词是过去时态,从句的时态应与主句一致。而从句中表示的是过去的将来,所以从句中的谓语动词应用过去将来时。
A. for
B. about
C. with
D. by
解析：解析:be famous for表示“以……而著名”。
A. liberation
B. relation
C. question
D. attention
A. thousand
B. young
C. however
D. town
A. couple
B. mother
C. money
D. cough
A. started
B. had started
C. would have started
D. start
解析：解析:这是一个表示与过去事实相反的假设。这种虚拟形式一般是:从句谓语是过去完成时(had done),主句谓语是would(should,could,might)+have done。
A. has;bought
B. 不填;bought
C. did;buy
D. 不填;buys
A. is
B. are
C. is being
D. has been
A. two
B. answer
C. write
D. win
A. So he was
B. So was he
C. So did he
D. So he did
解析：解析:表示与前面所说一致的情况下,如果是so开始,则主谓倒装,但要注意其动词应跟主句的动词一致。
