He ______finish his homework before 12 o’clock.A．haven’t toB．don’t have toC．hasn
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He ______finish his homework before 12 o’clock.| A．haven’t to | B．don’t have to | | C．hasn’t to | D．doesn’t have to |
|
答案
| D |
解析
| 考查固定短语。没有必要做某事，don’t have to do sth /needn’t do sth.故选D。 |
举一反三
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