Did you attend the meeting last night?No, I _________.
A. wasn’t informed
B. isn’t informed
C. hadn’t informed
D. hasn’t informed
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The murderer _________ by the police.
A. is been traced
B. is being traced
C. is been tracing
D. is being tracing
The vegetables didn’t taste very good. They ______ for too long.
A. have been cooked
B. have being cooked
C. had being cooked
D. had been cooked
I didn’t go to the post office, so my wallet can’t _________ at the post office.
A. have been lost
B. has been lost
C. have being lost
D. has being lost
Food ________ in a cool place in summer.
A. must keep
B. mustn’t keep
C. must be kept
D. mustn’t be kept
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