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
Do you have ____________ to say about your family?
#51128
A
else anything
B
else something
C
anything else
D
something else
--- Is Jim in the gym by himself?--- No. There is another boy ________ tennis with him.
#49973
A
playing
B
play
C
plays
D
to play
They thought __________ important to look right and left when ________ the road.
#48965
A
it’s; cross
B
it; to cross
C
it; crossing
D
it was; to cross
