It took several hundred years ______ paper-making spread to western countries.
#33423
A
when
B
before
C
after
D
since
推荐题目
After graduation from high school we will reach a point _________ we have to decide which university to attend.
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A
that
B
what
C
which
D
where
China's reform and opening has been going on for ________ is like about 30 years now and it's really quite remarkable.
#30333
A
that
B
which
C
what
D
it
_______, we’ll support you.
#34268
A
No matter what happens
B
No matter what will happen
C
No matter what will be happened
D
No matter what is happened
________ we have finished the course, we shall do more revision work.
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A
Now that
B
For
C
Ever since
D
By now
London is the city ____ has got the chance to host the 2012 Olympic Games .
#34670
A
which
B
what
C
it
D
where