题目内容
There are so many monkeys in the cage. It is hard ________.
A. to count B. to count it
C. to count them D. to counted
C
it为形式主语,to count them是真正主语。
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题目内容
There are so many monkeys in the cage. It is hard ________.
A. to count B. to count it
C. to count them D. to counted
C
it为形式主语,to count them是真正主语。