问题
Who’s the man(男士) _________ a green coat?—He’s my teacher.[ ]
A: in
B: at
C: from
D:on
B: at
C: from
D:on
正确答案是：
同类题型
John likes Chinese. He learns it______ watching Chinese movies.[ ]
What’s ______ most useful invention in the 20th century? —______ computer, I think.
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