According to the passage, the powdered milk is made through pouring it ______.
Scientists think laser (be) ____ one of the most useful tools today.
Making songs with MusieHall is a lot like ______.
根据你所听到的回答 1~5 题
第 1 题
What animals swim from birth?
All mammals exept man and ______.
Elderly people often said that _______(要是总这么完美就好了).
Who is calling to the entertainment industry to ensure their responsibility?
They are ____ and the Smoke Free Films project at the University of California in San Francisco.