It’s impossible for us ________there on foot in two hours. 
#48677
A
getting
B
get
C
to get
D
got
推荐题目
I don’t know _________ the problem.
#49541
A
how deal with
B
how to deal with
C
what to deal with
D
what do with
She spent a lot of time _________the fire that day.
#50622
A
to put out
B
putting out
C
to put on
D
putting on