—________ will you stay in Shenzhen for your summer vacation?—For about two weeks.
#64780
A
How far
B
How often
C
How soon
D
How long
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Your sister must be helping the little girl with her homework, _______ ?
#64576
A
needn’t she
B
mustn’t she
C
isn’t she
D
must she
We have to camp near, ___?
#65296
A
don't we
B
haven't we
C
will we
D
needn’t we