问题

mazing it is that astronauts are exploring outer space!—It’s a challenge, I guess, ______ man against nature.

A:of
B:for
C:by
D:about;

正确答案是：

同类题型

Canada is the second _______ country in the world.—That is, it is larger than ________country in Asia.

Shelly______CaliforniaforTexasin1996and______thereeversince[ ]

It’s really a pity that the heavy rain ______ to go for a picnic

I remember _________the factory owed a small workshop and two machines.

Are you going to have a part time job during the summer vacation—Yes. I think I shouldn’t always ______ my parents since I’ve grown up.