—Do you plant trees in spring, Mike?—Yes. Many trees ________ in our city every year.
#44650
A
plant
B
are planting
C
have planted
D
are planted
推荐题目
You have to stay behind if your homework         before five o'clock.
#44375
A
wasn’t done
B
hasn’t done
C
doesn't do
D
isn't done
The children ______ not to play with the fire.
#45047
A
are often told 
B
tell 
C
are telling 
D
told
This pair of socks ______ worn out. I'll have to buy a new ______.
#44734
A
is, one
B
are, ones
C
is, pair
D
are, pairs
— May we leave the classroom now?— No, you _______. You _______ to leave until the bell rings.
#44633
A
mustn’t; are allowed
B
can’t; aren’t allowed
C
don’t have to; are allowed
D
needn’t; aren’t allowed
It is said that Chinese people_________ to travel to Hongkong freely next year.
#44418
A
are allowed
B
allow
C
will allow
D
will be allowed