Did you go to Sam's weekend party?No, I ( )
A. am not invited
B. wasn't invited
C. haven't invited
D. didn't invite
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Don't put off today's work for tomorrow . I mean, today's work () today
A. may do
B. must do
C. may be done
D. must be done
A talk on developments in science and technology () in the school hall next week.
A. Given
B. will be given
C. has been given
D. gives
Sally was heard ( ) just now.
A. to laugh
B. laugh
C. laughing
D. is laughed
不是内脏格内的结构的是
A. 喉
B. 气管
C. 咽
D. 食管
E. 交感干
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