Don’t discuss the problems with your partner unless you ___ to do so.
#44804
A
ask
B
are asked
C
will ask
D
will be asked
推荐题目
The radio says a wild animal zoo is going to ____ in our city. 
#44930
A
be built
B
built
C
build
D
be building
This math problem        .
#44841
A
can be easily work
B
can be easily worked
C
can is easily worked
D
may easily worked
Trees         in winter but in spring.
#44843
A
not can be planted
B
can be planted
C
can’t be planted
D
can plant
About seventy percent of the earth         with water.
#44524
A
is covering
B
is covered
C
are covering
D
are covered