Some students in Shanghai     e-bags for several months.  
#42251
A
have
B
have had
C
had
D
will have
推荐题目
--Don’t smoke here. Look at the sign please. –Sorry, I _________it.
#37107
A
don’t notice
B
can’t notice
C
won’t noticing
D
didn’t notice
---Hello, may I speak to Millie? ---Sorry, she isn’t in. She _________ Nanjing.
#42630
A
have gone to
B
has been to
C
has gone to
D
has gone
—It’s dangerous to swim here. Look at the sign!—Oh, I _______ it.
#36498
A
didn’t notice
B
don’t notice
C
hadn’t notice
D
haven’t notice
There __________heavy rain tomorrow. 
#39297
A
is
B
have
C
will be
D
will have
My history teacher said that I ________ do better.
#39923
A
can
B
could
C
was
D
was can