“John took a photograph of you just now.” “Oh, really？ I ______.”

    A. didn’t know                B. wasn’t knowing

C. don’t know                 D. haven’t known

I left my pen on the desk and now it’s gone； who _____ it？

    A. took                B. has taken

C. will take           D. had taken

“Mr Smith isn’t coming tonight.” “ But he _____.”

    A. promises B. promised

    C. will promise D. had promised

.It snowed very heavily . I couldn’t choose but         in the house.

A. stay                 B. to stay               C. staying              D. stayed

Dorothy was always speaking highly of her role in the play, ____, of course, made the others unhappy.

A. who                        B. which      C. this                       D. what

Is this the reason _______ at the meeting for his carelessness in his work？

A. he explained         B. what he explained      C. how he explained     D. why he explained

They put forward a lot of plans at the meeting, none of _______ were carried out in their work.

    A. which              B. them      C. what               D. that

    _______ is known to everybody that the moon travels round the earth once every month.

    A. It                      B. As      C. That                    D. What

He just does ______ he pleases and never thinks about anyone else.

A. that    B. what

C. which D. how

It’s not _____ that we want to talk about; let’s change the subject.

A. anything    B. something

C. nothing      D. everything