Where did Vera go __________ vacation?
#47239
A
in
B
on
C
at
D
of
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Wei Fang is young,but she plays ping-pong ____ her mother. 
#50705
A
as good as
B
as well as
C
as better as
D
as best as
_______does Sandy usually do __________ Thanksgiving Day?
#46865
A
What; at the
B
How; on the
C
What; on
D
How; at