When something is on fire, people throw sand on it to put out the fire. The main use of the sand is to _________. 
#54333
A
protect the thing on fire
B
add weigh to the thing on fire
C
keep the air away from the thing on fire
D
lower the temperature of the thing on fire
推荐题目
Are you good _____old people?
#55088
A
for
B
at
C
with
D
in
---- I would rather _____ hiking than _____ swimming.
#52923
A
to go , to go
B
going, going
C
go ,go
D
go, going
— Is your school far from your home?— Yes.It       me an hour       home.
#58994
A
takes; to walk
B
take; walking
C
took; to walk
D
is taking; walk
Zhalong Nature Reserve _______ food and shelter ______ the birds and fish.
#54799
A
provide ,for
B
provides, with
C
provides ,for
D
provide, with