—Are you interested in learning math?—Yes, but I’m afraid to _______ too much time on math.
#52246
A
take
B
spend
C
pay
D
cost
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--Do you want to play_____ tennis? --Yes, I ______.
#61372
A
a, want
B
the, do
C
an, does
D
/,do
________ you enjoy ________ in the river?
#62407
A
Are, swimming
B
Do, swimming
C
Are, to swim
D
Do, to swim