Have you ever practice ________ to foreigners— Oh, yes. It improves my ________ skills.

. It used to be thought _____ the Earth wasflat.

How long have you ______ the Computer Club—For about two years.

Jim was seen ______ in the library from 3p.m. to 5p.m yesterday.He is often noticed _____ the library.

She was surprised to find thefridge empty; the child _____ everything!