The train ______ she was traveling was late.[ ]A. on thatB. for whichC. on w

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The train ______ she was traveling was late.[ ]
A. on that
B. for which
C. on which
D. which

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举一反三

He built a telescope _____ he could study the skies.[ ]
A. by it
B. through which
C. with that
D. in which

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The woman _____ a baby begs from door to door every day. [ ]
A. and
B. with
C. or
D. but

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—Did Mr. Li leave Shenzhen ______ Saturday morning?
—Yes. He will be back ______ two weeks. [     ]
A. on, after
B. on, in
C. in, after
D. in, in

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I got an e-mail this morning. It was my foreign friend, Tony.[ ]
A. in
B. on
C. at
D. from

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Kelly cooked dinner her parents while they were cleaning the yard.

[ ]
A. with
B. for
C. to

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