We must do everything we can waste water from running into rivers.
#48694
A
keep
B
kept
C
to keep
D
keeping
推荐题目
My friend Tom is always ready _____ others. He often teaches______ English.
#49522
A
to help, my
B
for help , me
C
to help , me
D
for help, my
-----Why did you buy a radio? -----__________English.
#48800
A
Learn
B
Learning
C
To learn
D
Be learning
The smile on his face makes him _______ really ______.
#50317
A
looks, kind
B
look, kindly
C
to look, kindly
D
look, kind
Parents often ask their children _____ their Internet friends because they may be in danger.
#48842
A
to meet
B
to not meet
C
meeting
D
not to meet