I would have come sooner but I ________ that they were waiting.
#104791
A
haven’t known
B
hadn’t known
C
don’t know
D
didn’t know
推荐题目
Every possible means ________, but the teacher as well as the students ________ found a solution to the problem yet.
#102485
A
has been tried; hasn’t
B
has tried; haven’t
C
have tried; haven’t
D
have been tried; hasn’t
The new tax would force companies to __________energy-saving measures.
#100738
A
adapt
B
adopt
C
adjust
D
address
When I ______home, I caught a thief stealing from a passer-by.
#99768
A
headed
B
was heading
C
has headed
D
had headed
Mr Smith _________ a book about China last year but I don’t know whether he has finished it.
#104720
A
has written
B
wrote
C
had written
D
was writing
It is the only time in history that two Nobel Prizes ________ to the same person.
#99810
A
have been given
B
had been given
C
have given
D
will give