The workers in HuaShan Mountains have to     rubbish to keep the mountains clean.
#52269
A
turn up
B
pick up
C
mix up
D
give up
推荐题目
Peter _______ to eat meat _______it is a little burnt.
#60910
A
does love; even if
B
do loves; when
C
does love; because
D
do love; so
_________ the bridge, you can see the hospital on your right.
#58809
A
Go cross
B
Go across
C
Across
D
Crossing
Our teacher often tells us ____ the windows before we leave. 
#56359
A
close
B
closed
C
to close
D
closing