To make us healthier, the teachers often see us ______ on the playground. 
#49764
A
took exercise
B
take exercise
C
take exercising
D
to take exercise
推荐题目
 He’s very good at English. He spends most of his free time______ new words. 
#51407
A
remember
B
remembering
C
remembers
D
remembered
There is going to _________an important meeting tomorrow. Please try _________late,
#48830
A
have; not to be
B
have; not be
C
be; not to be
D
be; not be
 —When are you going to get your ears ________?—I am going to have Ms Li ________ my ears this weekend.
#49143
A
pierced; pierce
B
pierced; pierced
C
piercing; to pierce
D
to pierce; pierced
-Last semester, he had a hard time______ English.
#50462
A
learns
B
learning
C
to learn
D
learnt