——Who is knocking at the door?——It ______ Mr. Black, because he_______Washington.
#54792
A
can't be;has gone to
B
may be;has been to
C
must’t be;has gone to
D
may be;went
推荐题目
Pollution is a serious problem. Scientists have _______ some good ways to save it.
#55161
A
come up with
B
come on
C
come out
D
come up
The highway from Zunyi to Renhuai ________for about two years.
#54081
A
has opened
B
has been open
C
has been opened
D
opened
Wake up, Lily. It’s time to _________, or you’ll be late for school.
#58499
A
get up
B
stand up
C
put up
D
set up