We are often told_______ water in our daily life.
#48457
A
save
B
saving
C
to save
D
saves
推荐题目
He thought about  ______Greece or Spain for vacation.
#50051
A
go to
B
to go to
C
going to
D
going
I heard him______ outside.
#50192
A
sang
B
to sing
C
singing
D
sings