It _____ last night., because the ground is all wet A．should rainB．should have r
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It _____ last night., because the ground is all wet | A．should rain | B．should have rained | | C．must rain | D．must have rained |
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答案
| D |
解析
考察情态动词的推测性用法。根据last night可知，本句是对过去动作的推测，即排除AC, B意为本应当下雨（而实际上没有下雨），D，意为一定下雨了。
句意为昨天晚上肯定下雨了，因为地上都湿了。 |
举一反三
The room is in a terrible mess; it ________have been cleaned.| A．can’t | B．mustn’t | C．shouldn’t | D．wouldn’t |
|
--- Will Helen come to my party tonight?
--- I am not sure. She _______ go to the cinema with her father. |
You _________ be punished if you break the school rules. | A．would | B．shall | C．must | D．should |
|
--- Shall I tell John about it?
--- No, you _____. I’ve told him already.| A．mustn’t | B．wouldn’t | C．shouldn’t | D．don’t have to |
|
| I am fond of my sister but she has one serious shortcoming. She _________ be really stubborn. |
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