----- The windows must have taken you quite a long time that day. ----- Right. They ______ for months.
#102185
A
haven’t been cleaned
B
didn’t clean
C
hadn’t been cleaned
D
haven’t cleaned
推荐题目
—How long have you been doing that? —Since I her for the first time.
#102105
A
meet
B
met
C
have met
D
had met
No decision _ about any future plan until we have done some research into the student preference．
#101572
A
has been made
B
is made
C
is being made
D
will be made
In the last ten years, they _______ three great scientific experiments.
#103919
A
finished
B
have finished
C
had finished
D
have been finished
一Did he notice you enter the classroom?一I don’t think so．He _______ to the radio with his eyes shut·
#101731
A
1istened
B
was listening
C
has listened
D
had listened
---Guess what? We’ve got our visas for a short-term visit to the UK this summer.---How nice! You ____ a different culture then.
#102086
A
experience
B
are experiencing
C
will be experiencing
D
have been experiencing