have you ever been to Beijing before?–No. it is the first time that I ____here.

There are so many kinds of computers in the shop. I really don’t know ______ to choose.

I don’t understand the text there are few new words in it.[ ]

Miss Chen teaches _______ English this term. —You’re lucky. _______ is a very good teacher.

She uses her car _____________ for driving to work.