题目内容
If he harder, he’ll catch up with us.
| A．work | B．works |
| C．worked | D．will work |
B
解析试题分析：句意为：如果他再努力点，他就会赶上我们。这是一个条件状语从句，主句用一般将来时，从句用一般现在时。故选B。
考点：考查条件状语从句。
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