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
The baby is generally healthy, but every now and then he ______ a cold.
#104089
A
has caught
B
is catching
C
will catch
D
does catch
Listening to loud music at rock concerts__________caused hearing loss in some teenagers.
#103763
A
is
B
are
C
has
D
have
For the sake of enough time for study and rest, students are _____ from using cellphones in our school.
#99311
A
encourged
B
forbidden
C
required
D
kept
-- What is the price of petrol these days? --- Oh, it ______ sharply since last month.
#103650
A
is raised
B
has risen
C
has raised
D
is increased
-- Mr Jordan, we want to hear your opinion about the current NBA games．-- OK, I ____ to that.
#100129
A
came
B
have come
C
am coming
D
come