No chicken or duck ______ in the supermarket since the first case of H7N9 was reported dead.
#100628
A
has been sold
B
was sold
C
is sold
D
are sold
推荐题目
---- Are you still a teacher? ---- No, I____ in Harbin No. 3 High School for five years.
#102428
A
worked
B
have worked
C
have been working
D
had worked
You _____ television. Why not do something more active?
#101343
A
always watch
B
are always watching
C
have always watching
D
have always been watching
I ______ the time ______ so quickly.
#100103
A
didn’t realize; had passed
B
don’t realize; passed
C
haven’t realized; passed
D
hadn’t realized; had passed