A. leaveB. have leftC. leavingD. had leftThey happened ……

单项选择题Before the sales start, I make a list of （） my kids will need for the coming season.

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

单项选择题Sam （）some knowledge of the computer just by watching others working on it.

A. brought up
B. looked up
C. picked up
D. set up

单项选择题I have a lot of readings （） before the end of this term.

A. completing
B. to complete
C. completed
D. being completed

单项选择题I（）have watched that movie--it'll give me horrible dreams.

A. shouldn' t
B. needn' t
C. couldn't
D. mustn't

单项选择题—Do you think you could do without help —（）.This is not the first time for me.

A. Take care
B. Hurry up
C. Not exactly
D. Don't worry