-- Hello, may I speak to Mr. Smith?-- Sorry, he isn't in. He ______the office.A. has been toB. has gone toC. has been away
We should ___the children ____the Internet because it’s not good for their study.
-----Do you like making friends with others ? -----Of course . I’m afraid of .
I like my school because I takein it.
There isn't ___in today's newspaper.
The number of books in the bookshop is about 10,000 and a number ofthemabout science.