A large number of students           planting trees now, the number of the students         2000.
#41960
A
is, is
B
are, is
C
is, are
D
are, are
推荐题目
The price of the sweaters____ $20.
#42649
A
is
B
are
C
have
D
has
– Look at these factories. I hate them. They____ many rivers here. --Yes. Something ______ to stop the pollution.
#39701
A
polluted, must do
B
had polluted , must be doing
C
have polluted , must be done
D
were polluting, must be done
My father _________to South Hill.He______ there for 5 days.
#39925
A
has gone:has been
B
has been; has gone
C
has gone;has gone
D
has been;has been
Mary isn’t here. She has _______the shop.
#39345
A
been to
B
went to
C
gone to
D
been in
---     you having supper at this time yesterday?---No, I was     .
#40087
A
Are; having a rest
B
Were; read a book
C
Are; watching TV
D
Were; singing