-___________ do you go to Old People’s Home?-Twice a month. 
#59921
A
How long
B
How soon
C
How often
D
How many times
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---Is this your basketball?---   ________.
#60150
A
Yes, it’s.
B
No, it’s not.
C
Yes, it is.
D
No, it is.
-Did you go to Jack’s birthday party? -No, I ____
#60351
A
wasn’t invited
B
am not invited
C
haven’t invited
D
didn’t invite
I think he must be writing his essay at home now, ______?
#64717
A
is he
B
isn’t he
C
do I
D
mustn’t he
——Would you mind if I keep the door open? ——____________.
#64969
A
Yes, do it  
B
No, of course not
C
Yes, go ahead
D
No, you can’t open it