This kind of CD-ROM is very popular. Why not buy one before it________ ?
Of the two sisters, Lucy is ______ one, and she is also the one who loves to be quiet.
---Who do you think runs the _______ in your class? ---Li Ming. .
--- Dad, how can I get on well with my classmates?--- Try to be friendly to them. That will make it _______.
I was not feeling quite _____ this morning and my mother asked me to stay at home.
I bought ______ exercise books with ______ money.