问题

If Newton lived today,he would be surprised by what_____in science and technology

A:had discovered
B:had been discovered
C:has discovered
D:has been discovered

正确答案是：

同类题型

Looking out of the window of my room, ___ atall tree in the yard.

Can I have ________ snacks Sorry, we don’t have ________.

Good news! Most of theminers in Wang Jialing were saved to ______． — Thanks ____ thegovernment and great soldiers!

The underlined part in the word “fitted” is pronounced as _______.

He has been _______ for three weeks. We’d better findanother person to fill his place.