— The window must have taken you quite a lot of time that day. — Right. They____ for weeks.
#103071
A
haven’t been cleaned
B
hadn’t been cleaned
C
didn’t clean
D
haven’t cleaned
推荐题目
In the war,the army supplies during several months.
#103950
A
furnish with
B
is furnished
C
is furnished with
D
are furnished at
The construction of the two new railway lines ________ by now.
#103148
A
have been completed
B
has been completed
C
has completed
D
have completed
I wonder if your sister will go to Mary’s birthday party．If she_______，so______I．
#103613
A
does；will
B
will；am
C
does；do
D
would；will
—I’m sorry, but the boss isn’t here yet. Shall I have him call you when he comes back?—No, I’ll call him back. If I call again in half an hour, do you think she ________ ?
#104727
A
had arrived
B
has arrived
C
will arrive
D
will have arrived
If nothing ________, the oceans will turn into fish deserts.
#100592
A
does
B
had been done
C
will do
D
is done