单项选择题

Climate change will greatly （） wheat and rice production if nations don’t take steps now.

A. fall
B. leak
C. lack
D. reduce

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单项选择题

The teacher stressed again that the students should not （） any important details while retelling the story.

A. bring out
B. let out
C. leave out
D. make out

单项选择题

By no means （） to her parents.

A. this is the first time has she lied
B. this is the first time does she tell a lie
C. is this the first time she has lied
D. is this the first time she was lying