问题

Mr Hu, can you tell us how to learn math well?—Sure. But remember nothing can be learned _______ hard work. [ ]
A: by
B: at
C: without
D:for
B: at
C: without
D:for
正确答案是:
同类题型
Good news.We will have a _______holiday. –I’ve heard of it.But it’s coming in_______.
Hello! May I speak to Alice?—Sorry. She isn’t here right now. She ________ to the library.
Did you have a good time at your party?―Yeah, and my mom cooked _________ for my friends.
My uncle bought a car yesterday._________ car was made in Guangzhou.