The two children always disagree. They often argue about what TV programmes ______. 
#48740
A
watching
B
to watch
C
watched
D
watch
推荐题目
—Why did you plant so many trees? — ______ the environment.
#49943
A
Improve
B
To Improve
C
Improved
D
Improving
We had no choice but ____________ so much work.
#49044
A
accept
B
to accept
C
accepted
D
accepting
________ hard is the key to success. 
#51086
A
To work
B
Work
C
Worked
D
Works