43.We do not ______ people to smoke in the lecture hall.

15.James, I’m too tired. Let’s stop _______ a rest.

13. I got a beautiful bike on ______ birthday. I like it very much.

21.—Hello, this is Tina speaking. Is that Sam?—Sorry, he isn’t here at this moment. ______?

11. —_______ have you been away from your hometown, Janet?—Since 5 years ago.

5. —Li Ping, I didn’t go summer camping last year.—_________.

6. —I am worried about ____I can enter a good high school or not.—Work hard and trust in yourself.

7. —Alice, is this your dictionary?—Let me see. Oh, no. ______ is in my school bag.

50. Aware of her anger, so I turned off the TV quickly. 

22.—David, look at the man in white over there. Can you tell me _______?—He is a doctor.

下列我国的那位教育家认为，乡村教育没有乡村建设，便没有生机；乡村建设没有乡村教育，便没有前途？（ ）

27. There is a “________” across the Taiwan Straits.