---____ do you exercise, Miss Lin? ---Once a week.
#60244
A
How long
B
How often
C
How far
D
How soon
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.—What _____ this time tomorrow morning? —Er…, I’m not sure for the moment.
#64996
A
will you do
B
will you be doing
C
are you to do
D
are you going to do
--- He has to finish the experiment today. He must be in the lab,____?---That s quite possible.
#65423
A
mustn't he
B
won't he
C
doesn't he
D
isn't he
--Are these your books?--______.
#59805
A
Yes ,these are.
B
No, they are.
C
No, it isn’t.
D
Yes, they are.