1. add to增加,增进
add … to把…加进…
add up相加
add up to总计,所有这一切说明
1) I don't think
these facts will ________ anything.
2) Fifty new
books have been ________ the library.
3) The music
_________ our enjoyment of the film.
4) You must
have made a mistake when you _______ the bill ________.
( add up to,
added to, add to, added…up )