问题

Zhong Nanshan, the famous medical scientist, has devoted most of his life ________ useful ways in treating cough diseases.

A:to find
B:find
C:to finding
D:finding;

正确答案是：

同类题型

Not only ________ interested in football but ________ beginning to show an interest in it.

Mary used to________ to work, but now she gets used to__________ to work.

下面表述有误的一项是(　)

I don’t know or not the colour matches his new shirt.

To tell you the truth, I think it is you, ________Mr. Smith, ________.