—Do you hear the noise outside?—Yes. There must be some kids __________ outside.
#51016
A
have fun
B
has fun
C
to have fun
D
having fun
推荐题目
There is a bird        in the sky.
#50711
A
fly
B
flying
C
flies
D
to fly
If you want to buy an expensive camera, we have several models for you ________.
#48381
A
to be chosen
B
to choose
C
to choose from
D
to be chosen from
—I can’t stand ___________ hamburgers every noon. —Then why not stop ________ another kind of food?
#50573
A
eating; having
B
to eat; to have
C
eating; to have
D
to eat; having
My friend is ______her sister.
#50081
A
babysitting
B
babysits
C
babysiting
D
to babysit