—_______ should we clean the library? —Twice a week.     
#24514
A
How many
B
How much
C
How long
D
How often
推荐题目
—What's the price of the shirt?—Two hundred dollars.—I'm afraid ________.
#954
A
the money is too much
B
the price is too expensive
C
the price is too high
D
your offer is too dear
 --- There is something wrong with my radio. --- ______  _. I can mend it for you.
#21460
A
It’s not good for you
B
You’re right
C
That’s right
D
Never mind
. —I’m leaving for Canada on a study trip next week. —_________.
#2974
A
Enjoy your time
B
That’s all right
C
You’re welcome
D
It’s a pleasure
---___________________?    ---He’s a headache.
#21277
A
What’s the matter
B
What’s the wrong
C
What’s trouble
D
What’s the matter with he