单项选择题

Mike was walking along the street（）he ran into an old friend.

A. who
B. when
C. which
D. whom

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How are the two sonsThey are（）
单项选择题
If the man is in the city, when will he get the computers（）

A. In two hours.
B. In two days.
C. In two weeks.
D. In two months.
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