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
She hardly ever speaks English after class, for she is afraid mistakes.
#50275
A
to making
B
to make
C
of make
D
makes
I think it’s important Chinese well, because I am Chinese.
#49611
A
to learn
B
learn
C
learning
D
learned
There is going to _________an important meeting tomorrow. Please try _________late,
#48830
A
have; not to be
B
have; not be
C
be; not to be
D
be; not be