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
----It’s too hot. Would you mind ________ the door? ----________. Please do it now.
#59511
A
to open; OK
B
opening; Certainly not
C
opening; Of course
D
to open; Good idea
—Teenagers are sometimes made         what they are not        .    —I agree.
#62821
A
to do;interested
B
to do;interested in
C
do;interested
D
do;interested in
Mr. Black has ___________China for nearly two months.
#59262
A
been to
B
come to
C
gone to
D
been in