问题

Why did they help Mrs Brown with her work – Because she was _____.

A:an old friend of them
B:the friend of them
C:a the their friend
D:a good friend of theirs;

正确答案是：

同类题型

He ________ to school by bike, but now he ________ to school on foot.

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____, are you Mr. Wang—Yes, I am.

Neither Jack nor I to Hong Kong, so we are planning a trip there.

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