题目内容

It's usually difficult to ________ a conversation with someone who only says“yes”or“no”.

[  ]

A.pick up
B.put up
C.give up
D.keep up
答案:D
解析:

keep up表示“维持,坚持,继续”,keep up with表示“跟上”,keep up with the news表示“抢新闻”。


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