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英语时态题1.It was not until he took up fishing that he _____ to

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英语时态题
1.It was not until he took up fishing that he _____ to relax.
A.had been beginning
B.began
C.had begun
D.beginning
2.I know Mr.Brown,we ______ to each other at an international conference.
A.were introduced
B.have been introduced
C.are introduced
D.had introduced
3.Unfortunately,when I dropped in,Professor White _____.So we only had time for a few words.
A.has just left
B.was just leaving
C.had just left
D.just left
4.-Hello,Jim.I ______ to see you today.Sonia said you ____ ill.
-Oh,I'm OK.
A.don't expect,were
B.haven't expected,are
C.am not expecting;are
D.didn't expect;were
5.By the time you get to the airport,she ______ for New Zealand.
A/would be leaving
B.has already left
C.is leaving
D.will have left
保证准确率!

1. B
not..until...的强调句型.
如果表示已经发生的动作,则主从句都使用一般过去时.

2. A
从句意来看,后句动作已经发生,且为被动结构.
且由状语at an international conference,可知句意强调当时的情况,所以只需用一般过去时即可.

3. C
leave动作发生在drop in之前,即为“过去的过去”,所以用过去完成时.

4. D
说话人见到Jim后expect成了过去,而第二句主句为过去时,故用were

5. D
根据状语从句时态的“主将从现”原则,可知主句动作尚未发生,所以主句应该用一般将来时;
再结合by the time的完成概念,判断主句必须使用将来完成时.

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