It is not immediately clear _______ the financial crisis will soon be over.
#71860
A
since
B
what
C
when
D
whether
推荐题目
__________ entered the office when he realized that he had forgotten his report.
#73378
A
He hardly had
B
Had he hardly
C
Hardly had he
D
Hardly he had
Great changes ______in our city. It is no longer ____ it used to be ten years ago. 
#69592
A
took place, how
B
have taken place ,what
C
are taken place, which
D
take place ,when