At 13，Samuel received a training course in drawing for three years，________ he got a good opportunity for further development.
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A
after that
B
after which
C
after it
D
after this
推荐题目
_______was often the case, Miss Wang was the first to arrive at the school in the morning .
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A
Which
B
What
C
As
D
It
The Naxi believe that they came from a creature called Tabu, help them hatch from magic eggs.
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A
who
B
whom
C
that
D
which
Language learning，________ the expert pointed out in his lecture，is more than remembering words and phrases.
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A
as
B
which
C
that
D
what
Rock-climbing is a breathtaking activity, very popular nationwide among young people, cooperation as well as courage plays an important role.
#78694
A
who
B
which
C
that
D
where
A huge amount of oil was spilt on the East Sea, the causes of ______ are still under investigation.
#78658
A
it
B
that
C
which
D
whom