It is better for you to walk down the stairs instead of ________ the elevator.
#48391
A
taking
B
to take
C
take
D
taken
推荐题目
The young mother kept ______ the house with three children in it , because she wanted to keep it ______.
#48871
A
cleaning; clean
B
cleaning; cleaning
C
clean; clean
D
clean; cleaning
I am a League member. I volunteer my time ___________ others.
#48828
A
help
B
to help
C
helping
D
helped
You must eat all kinds of fruits and vegetables a balanced diet.
#49061
A
have
B
to have
C
having
D
had