Have you ever wondered ______ there are so many natural disasters across the world in 2010?
#69818
A
which it is that
B
what is it that
C
how it is that
D
why it is that
推荐题目
__________for the bus, I heard a noise,
#69550
A
While waiting
B
While I waiting
C
I was waiting
D
Waited
—Was it last summer you luckily got an opportunity to spend your holiday in Hawaii ?—Not me . John was the lucky dog .
#69226
A
that
B
when
C
which
D
what
They are always ready to give the vacant seats to _______ comes first.
#72387
A
who
B
whom
C
whoever
D
whomever
These examples, once ___ to his article, will make it sound more reasonable and acceptable.
#67790
A
add
B
to add
C
adding
D
added
The question is too difficult and we found ________.
#66590
A
it not easy to answer it
B
it was not easy for us to answer it
C
it’s not easy to answer
D
it not easy to answer