They studied what ______ since 2007 and found Australian electricity prices were among the highest in the developed world.
#102193
A
has happened
B
happened
C
had happened
D
has been happening
推荐题目
—What do you think of the Eiffel Tower?—Splendid. When I was in France, I it.
#102232
A
have visited
B
had visited
C
could visit
D
visited
We the top of the mountain but for this awful weather．It rained all day．
#102770
A
will reach
B
would reach
C
have reached
D
would have reached
He insisted that he ________ the bike and therefore __________.
#102359
A
shouldn’t steal; shouldn’t be punished
B
hadn’t stolen; shouldn’t be punished
C
didn’t steal; wasn’t punished
D
not steal; not be punished
— Did you happen to hear the recent news? —Yes, Alice ____ the entrance examination, which I find hard to believe．
#102210
A
fails
B
had failed
C
failed
D
will fail
I ____ Mr. White at that time, otherwise I wouldn’t have asked you for some information about him.
#101527
A
hadn’t known
B
don’t know
C
didn’t know
D
haven’t known