英语选择题——分析选项
You can not imagine the difficulty they had___the problem.it isn't ____easy.
A、to solve ,so
B、solved,so
C、solving,that
D、solved,that
选C,
that 表示的是什么?
人气：407 ℃ 时间：2020-04-12 03:02:43
解答
have difficulty in doing sth.(其中in可以省略).因为要用动词的ing形式,所以直接就排除ABD.that是那么,如此的意思
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