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Do you enjoy __________ on the Internet?
#49165
A
surfing
B
surf
C
to surf
D
surfed
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There are so many kinds of pens in the shop ,I can’t decide ______.
#50047
A
when to buy
B
where to buy
C
what to buy
D
which to buy
Jane likes singing.We often hear her ______ after class.
#49746
A
sing
B
to sing
C
sings
D
singing
She wants to give up        French．
#50527
A
learn
B
learning
C
learns
D
to learn
When I got out of the room, I found someone _____________ the tree.
#50126
A
climbing
B
to climb
C
climb
D
climbs
She’s not strong enough _________ walking up mountains.
#49279
A
to go
B
going
C
go
D
went