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
It’s time        .
#50478
A
for breakfast
B
have breakfast
C
for I to have breakfast
D
for have breakfast
So many kinds of sweets! I really can’t decide _______. 
#48578
A
what to buy
B
which to buy
C
to buy which
D
to buy what
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
Teachers’ job is ______ the students learn well.
#50176
A
helping
B
help
C
to help
D
helped