A. says B. is saying
C. has said D. is said
14. New medicines and instruments ______ every day to extend life.
A. develop B. are being developed
C. are developing D. have developed
【答案与解析】
1. 选B。一方面语意要求要被动语态,另一方面从句时态暗示主句应用一般过去时。
2. 选D。此句也可说成 It is said that a red sky in the morning is a sign of bad weather.
3. 选A,“get + 过去分词”表被动。
4. 选D,从逻辑上说,“会议”应是被开,故用被动式。
5. 选B。从语境上看,develop 不仅要用被动语态,而且要用进行时态。
6. 选A,该用法中的 permit 为不及物动词,不用被动语态。其中if time permits 也可换成 time permitting。
7. 选B。谓语为 give sb sth 结构的被动语态形式。
8. 选B。技术应该是“被”引进,故用被动语态;根据语境句子应用现在进行时。
9. 选B。从句意上看,“牛肉”应该是“被”煮,故句子要用被动语态;从时间上看,由于句中有 didn’t taste very good,所以“煮得太久”应该在这一过去时间之前,故用过去完成时。
10. 选D。in which were written the names and addresses…为倒装句式,其正常表达为 the names and addresses of his friends were written in the notebook。
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