We must do everything what we can _______ water and paper.
#48856
A
save
B
saving
C
to save
D
saved
推荐题目
My teacher asks us _______school on time.
#49825
A
go
B
go to
C
to go
D
to go to
 Most Chinese students hope ________ homework. If so, they can have much ______time for their hobbies.
#49076
A
to have an hour of; more
B
to have an hour for; most
C
having an hour of; more
D
to have an hour to do; most