They______ when the teacher came in.
#40078
A
talk
B
are talking
C
to talk
D
were talking
推荐题目
It is said there ________ two basketball matches on TV this Saturday.
#41698
A
are going to have
B
is going to be
C
were going to be
D
are going to be
By the end of last month, I _____ all the CDs of Justin Bieber.
#42234
A
collect
B
collected
C
have collected
D
had collected
There are many people downstairs. What do you think _____? 
#40285
A
to happen
B
is happening
C
is happened
D
happened
Some students in Shanghai     e-bags for several months.  
#42251
A
have
B
have had
C
had
D
will have