问题

The woman managed to send her three children to universities but ______ came to see her when she was old and seriously ill

A:none
B:all
C:neither
D:both

正确答案是：

同类题型

Zhao Jian is as as Wu Li .They are both 160cm .

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I hope _______more robots to help people in the future.

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_ that he might lose his job, Peter always worksextra hours to please his boss.