Millie, do you enjoy            in the sea?
#50218
A
to swim   
B
swims   
C
swimming
D
to swimming
推荐题目
We are busy__________ the final exams.
#51125
A
to prepare for
B
preparing for
C
preparing
D
preparing with
You’d better ________ too much meat. You are too fat.
#50936
A
eat
B
not eat
C
not to eat
D
don’t eat
I mustn’t give up __________ English easily. 
#49048
A
to study
B
studying
C
studied
D
study