问题

periment has_________ thepossibility of the existence of any life on that planet, but it does not meanthere is no life on other planets

A:knocked off
B:knocked out
C:knocked down
D:knocked over

正确答案是：

同类题型

henever I met him, _____ was fairlyfrequent, _____ I liked his sweet and hopeful smile.

_________ you like pears or bananas

You should ______ careful in your work and life every day.—You’re right.

“Run away from Beijing, Shanghai, and Guangzhou” has been a slogan for some of China’s younger generation______ are under unbearable economic pressure to survive in cities

It is a great gift for him and the whole family ___,