Don’t stand up until you ____________.
#44883
A
tell to
B
are told
C
are told to
D
are told to do
推荐题目
Lots of trees ________in our city over the years. It is becoming greener and greener!
#44811
A
are planting
B
have planted
C
will be planted
D
have been planted
The old men in hospital ______________.
#44441
A
take good care of
B
take good care
C
are taken good care
D
are taken good care of
Today, computers are really helpful. They ____ everywhere.
#44613
A
use
B
are used
C
used
D
were used
 Dad, my computer is broken. Must it _____ now?
#44599
A
is repaired
B
has been repaired
C
be repaired
D
has repaired