The boy on the playground ____ be Tom, because he saw him in the library just now.
#40978
A
must
B
can't
C
can
D
might
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You have to leave now_______ you can catch the early bus.
#36416
A
although
B
so that
C
because
D
as soon as
— _____ do you surf the Internet, Kate?       — Not often, twice a month.
#42271
A
How long
B
How old
C
How often
D
How many times