题目
________,or you will fail in the exam
A.studying hard
B.to study hard
C.study hard
D.studied
为什么不选择A,不是独立结构吗
A.studying hard
B.to study hard
C.study hard
D.studied
为什么不选择A,不是独立结构吗
提问时间：2020-07-24
答案
C
这是个常见的句型：
祈使句（动词原形开头,表条件） + and + 陈述句（一般用will + 动词原形）
Work hard ,and you'll catch up with him.
=If you work hard,you'll catch up with him
如果表否定,中间用or
Hurry up,or you 'll miss the train.
=If you don't hurry,you'll miss the train
这是个常见的句型：
祈使句（动词原形开头,表条件） + and + 陈述句（一般用will + 动词原形）
Work hard ,and you'll catch up with him.
=If you work hard,you'll catch up with him
如果表否定,中间用or
Hurry up,or you 'll miss the train.
=If you don't hurry,you'll miss the train
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