—Excuse me， Maria. Can I use your bike?
—Sure. Here you are. But you must return it _____ time.
A. in B. at C. on D. to
It’s 8 o’clock. My mother is reading a book. My sister and I _____.
A. is doing my homework B. am doing my homework
C. is doing our homework D. are doing our homework
—Hi， Jane. What time do you get up _____ weekdays?
—I usually get up _____ about six o’clock.
A. in; at B. on; at C. at; at D. on; on
—May I borrow some English newspapers?
—_____
A. Of course not. B. Of course.
C. Thanks a lot. D. Sorry， I don’t know.
—_____ do you usually come to school?
—By bike.
A. How B. What C. How often D. When
If we take environmental problems seriously, the earth worse and worse.
A. don’t; will be B. won’t; isn’t
C. won’t; is D. don’t; won’t be
