---Mum, I hurt my leg when I climbed the tree.

   --- You ___ that tall tree. I’ve told you many times.

A. mustn’t have climbed          B. shouldn’t have climbed

C. couldn’t climb                D. may not climb

The house_________was destroyed has now been repaired.

A. the roof of it      B. whose roof      C. its roof        D. the roof of that

__________at the gate of the theater, Susan found the ticket for the play was left at home.

A. To arrive         B. On arriving       C. As arriving     D. While arrived

The number of children who___________ both parents to Aids ________ also expected to rise, reaching more than 26 million in 2010.

A. has lost; is                     B. have lost; are               C. has lost; are         D. have lost; is

It was not 　　     he took off his dark glasses 　　     I realized he was a famous singer.

A. when; that　　B. until; that           C. until; when　　D. when; then

Scientists say it may be five or six years _____ it is possible to test this medicine on human patients.

A. since                   B. after                   C. before     D. when

－France ,             a cab to school in such thundering weather.

    —I will, Mom.

A．gets   B．to get  C．get                D．getting

 —Go and have great fun! I will cope with _____ you leave to me properly.   

—Thanks a lot.

A. why                         B. when                       C. what                                  D. which

_____around the Water Cube, we were then taken to see the Bird’s Nest .

A. Having shown    B. To be shown    C. Having been shown    D. To show

You’d better not phone me tomorrow evening; I ____ an important meeting then.

A. will have                 B. would have            C. will be having                  D. will have had