— The floor is dirty.— Yes. It _______ for two days.
#99920
A
hasn’t swept
B
didn’t sweep
C
hasn’t cleaned
D
hasn’t been cleaned
推荐题目
Recently quite a lot of exports _______ that another law on wildlife protection ________ as soon as possible .
#103373
A
demanded , must be passed
B
have demanded, be passed
C
were demanding , was passed
D
demanded, being passed
The driver could have survived but he the seat belt.
#102832
A
had been wearing
B
hadn't worn
C
wasn’t wearing
D
didn't wear
The dish _____ nice, but the milk _____ sour.
#103726
A
is smelt, is smelt
B
is smelt, smells
C
smells, is smelt
D
smells, smells
-----Oh, you said you’d tell me the latest news about environmental situations. -----Sorry, I_______with my work at hand. I______to that.
#104827
A
deal; will come
B
was dealing; come
C
have dealth; have come
D
have been dealing; am coming
Over the past l00 years，sea level steadily as a result of global warming．
#103377
A
had increased
B
has been increasing
C
increased
D
is increasing