The old man ____ down by a truck is being saved now. 
#90780
A
knocking
B
to knock
C
knocked
D
being knocked
推荐题目
Tom is the first        he is wrong.
#94243
A
admit
B
to admit
C
of admitting
D
for admitting
It rained nonstop for ten days , completely _____ our holiday. 
#98169
A
to ruin
B
ruined
C
having ruined
D
ruining