My brother is studying in ______ university in America; he wants to be ______ astronaut in the future.

You know, Bob is a little slow ______ understanding.— So I have to be patient ________ him.[ ]

Thanks to the Party’s opening and reform policy, people in China are ______ than they were thirty years ago.

It will be difficult for a robot the same as humans.

____ do you think of the story— Just so-so.