You can't imagine what( )great difficulty we have had workin
You can't imagine what( )great difficulty we have had working out such( )difficult problem.
A a;the B不填; Ca;a D不填;the
其实主要考difficulty的规则和不规则用法,
A a;the B不填; Ca;a D不填;the
其实主要考difficulty的规则和不规则用法,
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fanjiaqing 幼苗
共回答了245个问题 举报
没有答案。正确的答案应为：不填，a。
因为have difficulty (in)doing something为固定结构，意为做事有困难，而后者问题为可数名词，应加a。
因为have difficulty (in)doing something为固定结构，意为做事有困难，而后者问题为可数名词，应加a。
1年前
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