Miss Gao isn’t at home. She          to the station to meet her friends.
#39475
A
go
B
has been
C
will go
D
has gone
推荐题目
-Why does the river smell terrible? -Because the water_______.
#42170
A
was polluted
B
has been polluted
C
will be polluted
D
has polluted
—What were you doing at this time yesterday?—We _______ in the classroom. 
#39914
A
read
B
were reading
C
are reading
D
was reading