题目内容
Just like weather, life ______ be beautiful all the time.
| A．mustn’t | B．needn’t | C．can’t | D．wouldn’t |
解析试题分析：句意：就像天气，生活也不总是美丽的（一帆风顺的）。A表示禁止，千万别B不必C不能，或表示猜测，肯定不，D不会。故选D。
考点：考查情态动词的用法。
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