题目内容
9．-Mum，must I clean my room today？-No，you _____．You can do it tomorrow．（ ）
| A． | don't have to | B． | mustn't | C． | can't | D． | shouldn't |
分析 --妈妈，我今天必须打扫我的房间吗？
--不，你不必．你可以明天打扫．
解答 答案：A．
根据No，you _____．You can do it tomorrow，可知这里应该是作出否定回答，以must开头的问句，它的否定回答一般用needn't或者don't have to．故选A．
点评 本题考查了情态动词的用法．解答时注意理解句意以及所给选项的意思并作出回答．
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| 16．A．what's | B．what | C．why | D．when |
| 17．A．father | B．mother | C．sister | D．brother |
| 18．A．understand | B．stand | C．believe | D．think |
| 19．A．support | B．organize | C．hate | D．like |
| 20．A．At times | B．Sometimes | C．At the same time | D．For the first time |
| 21．A．planted | B．afforded | C ended | D．went |
| 22．A．Before | B．Unless | C．Until | D．After |
| 23．A．they | B．he | C she | D．you |
| 24．A．received | B．expected | C．refused | D．got |
| 25．A．sorry | B．unhappy | C．encouraged | D．sad |
| 26．A．even | B．hardly | C．still | D．too |
| 27．A．get used to | B．worry about | C．pay attention to | D．look forward to |
| 28．A．with | B．without | C．by | D．for |
| 29．A．fool | B．volunteer | C．hero | D．boy |
| 30．A．knock into | B．dream about | C．talk about | D．complain about． |