-The window is dirty. -I know. It ___________ for weeks.
#99391
A
hasn’t cleaned
B
didn’t clean
C
wasn’t cleaned
D
hasn’t been cleaned
推荐题目
— Have you been here before?— Yes. This is the third time that I ______ to Shanghai.
#100742
A
come
B
came
C
have come
D
had come
—What a mistake!—Yes. I________his doing it another way, but without success.
#99176
A
was suggesting
B
will suggest
C
would suggest
D
had suggested
Up to now, large quantities of food ____ to Africa to save the starving people.
#102504
A
is sent
B
has been sent
C
have been sent
D
are sent
The famous musician, as well as his students, ____ to perform at the opening ceremony of the 2012 Taipei Flower Expo.
#100587
A
were invited
B
was invited
C
have been invited
D
has been invited
—What’s that terrible noise?—The neighbors_______for a party.
#103917
A
have prepared
B
are preparing
C
prepare
D
will prepare