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
 The boy spends at least as much time reading as he ____________.
#52358
A
is writing
B
writes
C
does writing
D
does to write
The TV play ___________for ten minutes when I turned on the TV.
#54569
A
had started
B
had begun
C
has been on
D
had been on
The little boy pretended        when his mother came in .
#52079
A
sleeping
B
asleep
C
to asleep
D
to be asleep