六、强调句与倒装句

Choose the appropriate answer from the 4 choices marked A，B，C and D.

1.It was not until dark________it was time to return home.

A.that he realized　B.that did he realize

C.when he realized　D.when did he realize

2.________she first heard of the man referred to as a computer specialist.

A.That was from John that　B.It was from John that

C.It was John whom　D.It was John that

3.It was in this room________the conference was held.

A.where　B.that

C.in which　D.which

4.It was because the traffic was very heavy duringthe rush hour________I was late again.

A.when　B.why　C.that　D.how

5.It________John and Mary who helped me the other day.

A.are　B.is　C.was　D.were

6.Not until many years later________.

A.the whole truth became known

B.did the whole truth become known

C.the whole truth has become known

D.has the truth become known

7.No sooner________arrived at the station than it began to snow.

A.had I　B.I had

C.have I　D.I have

8.Hardly ________when the lights went out.

A.the performance had begun　B.had the performance begun

C.the performance began　D.did the performance begin

9.Never________seen so many people cooperating in such an event.

A.is the world　B.has the world

C.the world is　D.the world has

10.Onlylater________his notebooks，which contained details of all his thefts.

A.they came across　B.did they come across

C.had they come across　D.they had come across