When ___ necessary, you can call me. A. is B. it is C. was D. it was 相关知识点: 试题来源: 解析 B。本题考查省略句,完整的句子应该是 When it is necessary, you can call me. 选项 A 缺少主语 it;选项 C 和 D 的时态不正确。反馈 ...
解析 B。本题考查状语从句中的省略。当从句的主语是 it 且谓语动词是 be 动词时,可以将 it 和 be 动词一起省略。本句完整形式为“When it is necessary”,it 指代后面的“you can ask your teacher for help”这件事,A、C、D 选项形式错误。
A. it is B. is it C. it D. was it 相关知识点: 试题来源: 解析 A。本题考查时间状语从句中的省略。当从句的主语和主句的主语一致,且从句中含有 be 动词时,可以将从句的主语和 be 动词一起省略。本句完整形式为“When it is necessary”,A 选项符合。反馈...
A. it is B. is it C. it D. is 相关知识点: 试题来源: 解析 A。本题中 when 引导的时间状语从句中,it 指代后面的 we will ask for help 这件事,完整的句子是 When it is necessary, we will ask for help. B 选项语序错误;C 选项缺少谓语;D 选项也缺少谓语。反馈...
A. it is B. is it C. it D. being it 相关知识点: 试题来源: 解析 A。本题考查状语从句中的省略。当主从句主语一致且从句中有 be 动词时,可以省略从句中的主语和 be 动词。原句完整形式为 When it is necessary, I will call you.。选项 B 语序错误;选项 C 缺少 be 动词;选项 D 形式...
A. is B. being C. it is D. it being 相关知识点: 试题来源: 解析 C。本题考查状语从句中的省略。当主从句主语一致,且从句中有 be 动词时,可以省略从句中的主语和 be 动词。此句完整形式为“When it is necessary”,it 指代后面的“you can ask me for help”这件事。反馈...
解析 B。本题考查时间状语从句的省略。当主从句主语一致且从句中有 be 动词时,可以省略从句中的主语和 be 动词。完整的句子是 When it is necessary, you can ask your teacher for help.选项 A、D 单复数或时态错误,选项 C 缺少主语。反馈 收藏
A. it is B. is it C. it was D. was it 相关知识点: 试题来源: 解析 A。本题考查省略句,“When it is necessary”是常见的省略句形式,“it”指代后面提到的情况,且句子时态为一般现在时,所以选 A 。举一反三:When he is free, he likes reading.反馈...
解析 B。本题考查状语从句中的省略。当状语从句的主语和主句的主语一致,且从句中有 be 动词时,可以省略从句的主语和 be 动词。本题中完整的句子应该是“When it is necessary, we should ask for help.”,省略了“it is”。A 选项缺少主语;C 选项缺少 be 动词;D 选项时态错误。
1. What is the man doing? A. Asking the way. B. Giving directions. C. Correcting a mistake. 2. What dress size does the woman want? A. 8. B. 10. C. 12. 3. What is the woman likely to do? A. Make a phone call. B. Handle the problem. C. Have a rest. 4. Which tour...