The workers in the Huashan Mountains have to       rubbish to keep the mountains clean.
#60114
A
turn up
B
pick up
C
mix up
D
give up
推荐题目
Everyone has his own dreams, but not all the dreams can always _________.
#59780
A
come true
B
come over
C
keep true
D
get out
Liao Dong is __ __ his eraser, and _____ it finally. 
#54100
A
looking for, find
B
looking for, finds
C
finding, look for
D
finding, looks for
This ________ my grandfather and those are my ________.
#57464
A
is; friends
B
is; friend
C
are; friends
D
am; friend