Look! There is a whole crowd of people over there．Go and see what __________ and if it is a bargain，buy it．
#99582
A
is selling
B
has been selling
C
is being sold
D
has been sold
推荐题目
—Tony, you must have noticed the student who broke the glass.—I'm sorry.I________attentively.
#99685
A
studied
B
was studying
C
am studying
D
would study
---You phone number again? ---I ___ quite catch it---It is 3453789..
#104023
A
didn’t
B
couldn't
C
don’t
D
can’t
--I have you asked John to come to the party this evening？--Yes，I have，but he＿＿＿＿
#100482
A
doesn't
B
hasn't
C
hadn't
D
won't
We_______on this project for four hours. Let’s have a rest.
#103758
A
are working
B
have been working
C
worked
D
had worked