选做题：情景交际，根据对话内容从方框中选出正确的句子补全对话（其中有两个为多余选项）。
Bill: What time is it now?
Tom: It is half past nine.
Bill: l. ______ I want to go and have a look. Do you think I'll have enough time to get there before it closes?
Tom: I can't tell. What time does it close?
Bill: About 10 o'clock.
Tom: Can you make it in half an hour? 2.______ By the way, can you return some books for me?
Bill: 3.______ Do you know what the new books are about? I need some books about English writing for my
term paper.
Tom: I heard that most of the new books are about English grammar and writing. All of them are the latest
publications. 4.______
Bill: That's great. Oh, it's already 9:40. There are only 20 minutes left. 5.______ See you!
Tom: See you !
A. Anyway it's not far from here.
B. I'd better get going.
C. OK, no problem!
D. I am sure there are some you need.
E. There is no doubt about it.
F. It must be quite late.
G. It is said that our library has got some new books.
)／c(OH
)
的溶液中；