48.Studying English usually _______ the most time.

you help me 　　　　　　　that part of the tape ? I want to listen to it again .

47. When I’m in a plane,I’m afraid 　　　　　　　　the window.

A: Excuse me, Miss Black. 41________.

B: Not very big, but I think it’s not fairly small. I have two brothers. The elder one is married.

A: Do your brother and his wife have any children?　　　　

B: Yes. 42 _________.

A: Boy or girls?　　　　　 　　　　　

B: A boy and a girl, so I have a niece and a nephew.

A: Can a sister and a brother be twins?

B: It’s uncommon but possible. In China, there are still quite a lot of large families, aren’t there?

A: 43 ________. Thanks to the “ one-child “policy(政策)，very few families now have more than one child. 44 _______.

B:45 ______ . Is your family large?

A: No, I have only one sister, but my grandparents are living with us.

B: In America, children often move away from home when they are just 18 or 19.It’s sad. Many children live far away from their parents.

A: In China, too. More and more young people live far away from their parents when they are married.

A. How about your family?　

B. My sister-in-law gave birth to twins last March.

C. Are your married?　 　　

D. So more and more families are becoming richer and richer.

E. Do you have a big family?　

F.I agree with you.　　

G. I don’t think so.

20.(　 ) I want to know___ he will go climbing or not.

A. if　 B. when　 C. whether　 　D. what

19.(　 ) I don’t know if he ____ .But if he ____ tomorrow, I’ll tell you.

A. will come; will come　 B.　 will come; comes

C. comes; comes　 D. comes; will come

18.(　 ) If you want to send your recording ___ email, connect the recorder ___ your computer.

　　 A. by; with　　　 B. from; to　　　 C. by; to　　　 　D. in; with