We must do everything what we can _______ water and paper.
#48856
A
save
B
saving
C
to save
D
saved
推荐题目
What did you do _______ the little girl _______ her parents just now?
#49526
A
reminded; of
B
reminded; about
C
to remind; about
D
to remind; of
Tom is a hard-working boy, he always keeps       English.
#50279
A
practice speaking
B
speak
C
practicing speaking
D
practice spoken