. The Roman Empire _____ for several centuries.
#103601
A
exists
B
existed
C
was existed
D
is existing
推荐题目
---Remember the first time we met, Mary? ---Sure．You ______ in the supermarket．
#103848
A
had shopped
B
have shopped
C
were shopping
D
shopped
—By the way，have you moved into the new house?—Not yet．The walls ________．
#99379
A
were painted
B
are being painted
C
are painted
D
are painting
The reason why I want to write this review is to warn future travelers on how to avoided ________________ by those salesmen.
#101687
A
being cheated
B
cheating
C
to cheat
D
to be cheated
Kate _________ in America for many years, but she’d never regretted her decision to return to her motherland.
#101503
A
worked
B
was working
C
has worked
D
had worked