However, the eruption itself is really exciting      and I shall never forget my first sight of one.
#95013
A
to watch
B
to be watched
C
watched
D
watching
推荐题目
. –What’s the temperature today? --It’s 5 ℃ below _____. It is _____ cold.
#97642
A
freezing; frozen
B
frozen; frozen
C
freezing; freezing
D
frozen; freezing
We usually take turns ______cleaning ,and today it is my turn ____it 
#97241
A
to do; doing
B
doing; doing
C
doing ;to do
D
to do ;to do
The manager was satisfied to see many new products ______ after great effort.
#88381
A
having developed
B
to develop
C
developed
D
develop