—Did the boy break the window ______?
—No. They did it when they were playing football.
A. by accident B. on purpose
C. at dusk D. as usual
There was ______time ______ I hated to school.
A. a, that B./, when
C. a, when D. the, when
The Australian boy has a good ______of Chinese and can communicate with others freely.
A. request B. Command
C. demand D. usage
________time goes by，Mother’s hair has turned grey and the wrinkles on her face deeper.
A．As B．With C．While D．Because
Many questions ______ at the meeting, but he answered none.
A. came up B. raised
C. were risen D. asked
----My sister is very upset today.
----It’s your fault. You ________ the bad news to her yesterday.
A. should tell B. should have told
C. shouldn’t have told D. must tell
