—_______ should we clean the library? —Twice a week.     
#24514
A
How many
B
How much
C
How long
D
How often
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---Good evening. ______ ? ---Yes, that’s right. We’d like a table on the side.
#786
A
What for
B
Can I help you
C
What’s the matter
D
Two for dinner
—These books are too heavy for me to carry. —______. 
#4132
A
You may ask for help
B
I’ll give you a hand
C
I’ll do you a favor
D
I’d come to help
----You speak very good English. ----_______.
#24186
A
Thanks a lot
B
Yes
C
No
D
Not good
–Hello, May I speak to Lucy? --_________.
#24339
A
Yes, I am
B
Do you know her
C
I’m speaking
D
This is Lucy speaking