It was not until the subprime loan crisis（次贷危机） ____ great damage to the American financial system that Americans ____ the severity of the situation．
#103104
A
caused, realized
B
had caused, realized
C
caused, had realized
D
was causing, had realized
推荐题目
He is constantly ________ not to do that, but he still goes on doing it all the same.
#100163
A
telling
B
being told
C
told
D
to tell
—What were you doing when I phoned you last night? —I my painting and was starting to take a bath.
#104680
A
have already finished
B
was finishing
C
had just finished
D
was going to finish
----we’ve spent too much money recently.----well, it isn’t surprising. Our friends and relatives______around all the time
#103761
A
are coming
B
had come
C
were coming
D
have been coming
— Why? Tom, your shirt is so dirty! — Mum, I ＿＿ my storeroom downstairs。
#104430
A
cleaned
B
have worked
C
was cleaning
D
have been cleaning