—A new study proves(证明) a walk every day is enough to keep people away from fat.
| A．30-minute | B．30 minute’s | C．30-minutes | D．30 minutes’s |
__________ he doesn’t come to my birthday?
| A．What if | B．What | C．If | D．What about |
--- Amy will go to the museum this week.
---_____.
| A．So do I | B．so I do | C．So I will | D．So will I |
My son ____ coke , but now he ______ milk.
| A．used to drink; is used to drinking |
| B．used to drinking; drinks |
| C．used to drink used to drink |
| D．used to drink; is drinking |
Why not ______ your teacher for help when you can’t finish ______ it by yourself?
| A．ask; write | B．to ask; writing |
| C．ask; writing | D．asking; write |
---Mr. Wang, I have trouble ______the test.
---Remember ________ it three times at least.
to understand; reading
B. understanding; Reading
C. understanding; to read
D. to understand; to understand