(2013·青岛一模)Scientists are still wondering ________ the Egyptians built the pyramids so long ago.
#67260
A
how it is that
B
how is it that
C
it is how that
D
that how it is
推荐题目
The expert offered us another piece of advice,_____of great help to our program.
#73723
A
I think it is
B
I think which is
C
which I think it is
D
which I think is
The news came, as expected, __________ my cousin was chosen to be a foreign aid doctor to go to Africa where people are suffering a lot from aids.
#72926
A
it
B
that
C
what
D
Which
Our town has been added to these years. It is no longer ________ it was 15 years ago, ________ it was poor and untidy.
#72983
A
what; which
B
that; which
C
which; that
D
what; when
If you are traveling_______the customs are really foreign to your own, please do as the Romans do.
#74347
A
in which
B
what
C
when
D
where
Talk to your teacher and you will get help ________ you have a problem.
#40977
A
unless
B
if
C
until
D
so