摘要：名词性从句中主句和从句的时态一致 (1)宾语从句中主句和从句的时态保持一致.但如果从句中表示提示的是客观现象.虽然主句是过去时态.从句仍用一般现在时.如: Hello,I didn’t know you were in London. How long have you been here? The teacher told us that light travels at a very high speed. (2)主语从句作主语相当于单数第三人称作主语.谓语动词用单数.如果由and 连接两个或两个以上的主语从句作主语时.谓语动词用复数,由两个或多个连接词引导一个主语从句.谓语动词用单数.如: When the meeting will begin has not been decided yet. When they will start and where they go have not been decided yet. When and where the meeting will begin has not been decided.
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在下列定语从句中填入适当的介词。
1. The pencil ____ which he wrote was broken.
2. He built a telescope ____ which he could study the skies.
3. The woman, ____ whom I learned the news, is a nurse.
4. The wolf____ which the sheep was killed was shot.
5. She has three children, all ____ whom are at school.
6. There is a tall tree outside, ____which stands our teacher.
7. My glasses, ____ which I was like a blind man, fell to the ground and broke.
8. In the dark street, there wasn't a person _____ whom she could turn for help.
9. I was surprised at the way ____ which he treated the old man.
10. The age ____ which children can go to school is seven.
11. His bike____ which he went to work was stolen last night.
12. Do you know the building ____ which is flying a red flag?
13. Ours is a beautiful school, ____ which we are proud.
14. The desk ____ which Jack is leaning is John's.
15. He bought a book yesterday, the author ____ which is a teacher.
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2. He built a telescope ____ which he could study the skies.
3. The woman, ____ whom I learned the news, is a nurse.
4. The wolf____ which the sheep was killed was shot.
5. She has three children, all ____ whom are at school.
6. There is a tall tree outside, ____which stands our teacher.
7. My glasses, ____ which I was like a blind man, fell to the ground and broke.
8. In the dark street, there wasn't a person _____ whom she could turn for help.
9. I was surprised at the way ____ which he treated the old man.
10. The age ____ which children can go to school is seven.
11. His bike____ which he went to work was stolen last night.
12. Do you know the building ____ which is flying a red flag?
13. Ours is a beautiful school, ____ which we are proud.
14. The desk ____ which Jack is leaning is John's.
15. He bought a book yesterday, the author ____ which is a teacher.