A、which
B、who
C、that
D、when

A. which
B. who
C. when
D. where

1. This is the house _______ we built last year.
2. This is the house _______ we lived ten years ago.
3. I can't find a house _______ is suitable for us to live.
4. He is the man _______ can help you.
5. Is there a zoo _______ we can see tigers around here?
6. I like musicians ______ write their own songs.

1. The man _______ is talking with my mother is my father.
2. That book is the one _______ I bought yesterday.
3. He is one of the workers _______ have been saved in that accident.
4. They talked of the things and persons ______ they remembered in the factory.
5. All ______ can be done must be done.

1. The people ______ travel all over the world think China is a beautiful country.
2. I can't say anything ______ moves us deeply.
3. Paper is made ______ wood.
4. The trees can stop the flood from ______ (wash) the earth away.
5. By the end of last term, we ______ (study) three thousand words.
6. You must practise ______ (play) the piano every day.
7. Edison was a great American ______ (invent).
8. He hasn't enough ______ (经验) for the job.
9. It's good to tell ______ (true).
10. You'd better ______ (not go) to the supermarket.

A. who's
B. that
C. whose
D. which

A. from whom
B. who
C. what
D. when

A．that; be taken good care of
B．who; be taken good care
C．who; take good care of

1. This is an American boy. He went to Tibet with my cousin last month. (合并成一个句子)
    This is the American boy ________ ________ my cousin went to Tibet last month.
2. This question is difficult for me to answer in such a short time. (同义句转换)
    I ________ _________ difficult to answer this question in such a short time.
3. My grandaunt has not eaten any meat for over fifty years. (同义句转换)
    My grandaunt has ________ a _________ for over fifty years.
4. My new teacher told me not to feel so tense in class. (同义句转换)
    My new teacher told me to feel ________ ________ in class.
5. Mike Tang is living in America. His ancestors came from China. (同义句转换)
    Mike Tang is an - ________ ________ in America.

A. where I stayed at
B. at that I stayed
C. which I stayed at
D. which I stayed at it