If you don’t want to misunderstand in the language communication, you’d better ____________ eye contact with one who is talking to you.

He has been in the USA ______.

l be a big help if you go to the store and getwhat we need for dinner. ___________, I will set the table.

The number of chairs in the room_____ten.I’m afraid anumber of chairs in the room____lost.

Did you see any cows – ___________.