问题
Jack, could you help me ________ these pictures on the blackboard It may help us knowmore about the hazy weather. (雾霾)— With pleasure.
A:put in
B:put up
C:put on
D:put down;
B:put up
C:put on
D:put down;
正确答案是：
同类题型
Mr White has decided to retire next yearHis company will be_____ his son[ ]
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