—__________ do you swim?   —Twice a week. 
#24489
A
How long
B
How many times
C
What time
D
How often
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---What’s the matter with you?---______.
#22773
A
I’m glad
B
I have a cold
C
I have something to do
D
I can
 —______?—She is twenty.
#24479
A
What’s your grandmother’s age
B
How old is your brother
C
How old is your sister
D
When is your sister’s birthday
----Do you need the electric dryer?----     . 
#1677
A
No way
B
After you
C
My pleasure
D
No problem