— 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
So far this year we ________ a fall in house prices by between 5 and 10 percent.
#101449
A
saw
B
had seen
C
have seen
D
see
Anne Hathaway, a hottest actress, _______ in so many embarrassing situations over the years.
#101095
A
is
B
was
C
will be
D
has been
Experiments of this kind in both the U．S．and Europe well before the Second World War．
#102432
A
have conducted
B
have been conducted
C
had conducted
D
had been conducted
--- Look! Everything here is under construction. --- What’s the pretty small house that _______ for?
#99907
A
is building
B
is being built
C
is built
D
had been built
-- Look! Everything here is under construction. --- What’s the pretty small house that ______ for?
#104106
A
is being built
B
has been built
C
is built
D
is building