— 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
It is ________ the customers’ needs that has made chain stores so popular in big cities in China.
#103872
A
meeting
B
met
C
to have met
D
being met
. It is not I but you who__________the first to run to the goal in that competition.
#103737
A
is
B
am
C
is going to be
D
are
----- How long ________ in Guilin? ----- For two weeks. I’m going to some places of interest there.
#101791
A
did you stay
B
do you stay
C
are you staying
D
have you stayed
--- How long ____ in Beijing? --- For just the weekend. I’ll be back for work next Monday morning.
#101267
A
have you stayed
B
are you staying
C
did you stay
D
do you stay
The number of deaths from heart disease will be reduced greatly if people _____ to eat more fruit and vegetables.
#102335
A
persuade
B
will persuade
C
be persuaded
D
are persuaded