单项选择题

My father is a heavy sleeper now, but he used to rarely oversleep, （）he

A. isn’t
B. did
C. didn’t
D. is

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单项选择题

The old man still remember the persons and events （）he met with during World War Ⅱ.

A. which
B. who
C. as
D. that

单项选择题

（）, most of whom were women and children.

A. On the beautiful ship are over 2200 people
B. On the beautiful ship were over 2200 people
C. Over 2200 people are on the beautiful ship
D. On the beautiful ship had over 2200 people