--The window is dirty.----I know. It ______ for weeks.
#101363
A
hasn’t cleaned
B
didn’t clean
C
wasn’t cleaned
D
hasn’t been cleaned
推荐题目
She ______ tomorrow and you had better see her off(送行).
#100022
A
is leaving
B
left
C
leaves
D
has left
---Hurry, John!---Oh, damn! Both my legs are nearly to give out. I ____for hours.
#101892
A
had walked
B
walked
C
have been walking
D
am walking
This was the first time that Chongqing the Listening Examination of Public English Test System II (PETS-2).
#100449
A
has joined
B
joined
C
will join
D
had joined
Rain is pouring down from the sky without any sign of stopping．Farmers begin to worry about their crops since it _____ as long as 24 hours．
#103320
A
would rain
B
had rained
C
was raining
D
has been raining
—Does Liu Hui serve in the army? —No, but he ________ in the army for three years.
#104726
A
served
B
has served
C
is serving
D
would serve