练习：

5. I'm terribly sorry for bumping into you--somebody_____me. It is so crowded in the bus in the rush hour.

a. pressed
b. urged
c. pulled
d. shoved

6. We saw the canoe _____, throwing its passengers into the water.

a. fall
b. revolve
c. overturn
d. reverse

答案及讲解：

5.d

press
vt.
压, 压榨, 紧抱, 逼迫

urge
vt.
催促, 力劝
v.
促进

pull
v.
拉, 拖, 拔

shove
vt.
<口>推挤, 猛推, 强使

6. c

fall
vi.
倒下, 落下, 来临, 失守, 变成, 垮台, 下跌, 阵亡

revolve
v.
(使)旋转, 考虑, 循环出现

overturn
vt.
推翻, 颠倒
vi.
翻倒

reverse
vt.
颠倒, 倒转