问题

rents were teachers in that school, _______ losttheir lives in order to save their students in the earthquake.

A:none of them
B:both ofthem
C:none of whom
D:both ofwhom

正确答案是：

同类题型

We would appreciate _______ if you could give us some advice on how to solve this problem.

Not a single word_______ when _______about his late mother

1Some childrenwere skating on the ice happily. Suddenly one of them ____ the water and theother children felt ____.

____, Tom. Is this yourbook—No, it isn’t. I think it’s ____.

s her new telephone number” “Oh, I _____.”