To make our city more beautiful ,rubbish ______ into the river.
#44541
A
must throw
B
can’t throw
C
needn’t be thrown
D
mustn’t be thrown
推荐题目
Our classroom   _______   by us every day!
#44538
A
is cleaning
B
has cleaned
C
must clean
D
is cleaned
I won’t leave my office until my work _______.
#44474
A
will finish
B
are finished
C
is finished
D
was finished
The room _______ every day. You can live it now.
#44779
A
cleans
B
is cleaning
C
is cleaned
D
has cleaned