--- do you have a class meeting?---Once a week.
A. How old B. How far
C. How often D. How long
I think drinking milk is good_________ our health.
A. for B. to C. with D. at
﹣Don't be angry with your kid when he makes a mistake again，will you？
﹣No，I won't．I know that ______of us are perfect after all．
A. none B. neither C. each D. all
一Oh, my god! I have left my keys inthe room. I’ll have to get in_________the window.
—It’s dangerous. You’d better wait for your mom to come back.
A. past B. over C. across D. through
Now the train service is very good. The trains are _________on time.
A. hardly B. always C. never D. sometimes
If you don't want to be too heavy, you must eat_____ meat.
A. much B. less C. many D. more
