Full advantage should ______ technology to help people live a better life.

Our English teacher is very kind, and we all like her very much.—That’s for sure. A person _________ cares for others is popular everywhere.

I find _____ hard to concentrate on my studies withsome people having small talks around me

下列各组词语中，有一个错别字的一组是（ ）

Where is Mr. Wu, do you know—Well, it’s hard to say. But I saw him ___________ a football game just now.