---_____do you visit your uncle?---once a week .
#56274
A
How long
B
How many
C
How much
D
How often
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English is easy        my son.
#56894
A
and
B
but
C
for
D
in
This problem is ______ difficult __________.
#57835
A
so; that few of us can do
B
so; that few of us can do it
C
too; for anyone of us to do
D
too; for anyone of us to do it