–Smoking should          in school.--I agree. It’s bad for our health.
#44372
A
be allowed
B
not allow
C
allow
D
not be allowed
推荐题目
The television ________. It doesn’t work now.
#44544
A
must repair
B
was repairing
C
must be repaired
D
has repaired
These kinds of vegetables       only in that shop over there. They_____­ well.
#44675
A
are sold; are sold
B
sell; sell
C
sell; are sold
D
are sold; sell
This kind of books _____ well and they _____ out last week.
#44810
A
sells; were sold
B
is sold; sold
C
sells; sold
D
is sold; were sold
About seventy percent of the earth         with water.
#44524
A
is covering
B
is covered
C
are covering
D
are covered