问题
Have you heard about Volunteer? —Sure, A volunteer is someone _________ is willing to offer help without being paid..
A:who
B:what
C:where
D:which
B:what
C:where
D:which
正确答案是：
同类题型
All the Americans are preparing ________ Christmas.[ ]
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Reading books is very important for developing the students’ understanding of the world, _______?
Tom usually goes to school his dad’s car.[ ]
Red and white are good match, as powerful red balances calm white.