问题

It’s ten years since the scientist ____ on his life’s work of discovering the valuable chemical.

A:made for
B:set out
C:blocked out
D:turned up

正确答案是：

同类题型

_, Helen fell in love with Paris, a handsome Trojan prince, and ran away with him to the city of Troy.

I ________ two baseballs and my friend ________five baseballs.

It’s very brave ______you ______the boy out of the river.

The Emperor’s clothes became the talk of the whole city, _________?

He felt______ duty to work for human rights andprogress.