Teaching is a difficult job ______ requires great skill and patience．
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A
which
B
where
C
who
D
why
推荐题目
－How did you find those days.－The days________we spent together on the farm are not easy________．
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A
that；to forget
B
when；to be forgotten
C
when；to forget
D
that；to be forgotten
How are the kids spending their childhood? I can’t help recalling（回忆）that there was a time _______ we played happily and freely in the outside.
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A
that
B
which
C
when
D
不填
It’s reported that over 70 different emoticons are used in text messages， happy：)is the most popular．
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A
to which
B
that
C
of which
D
which
He went to Paris the next year, ______ he lived and was never back.
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A
where
B
when
C
which
D
that
Encouraged by my science teacher, I set about my studies on developing my product, _____I hope I will succeed in applying for a patent（专利）.
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A
with whom
B
to whom
C
through which
D
for which