--What’s that in English? --It's _____ apple. A.an B.a C.the
Pollution does great harm to our health. It’s necessarythe environment.
The house isn’t _________ for them _______
The detective story was so exciting that Tom wanted to finish ________ it as soon as possible.
_________ is not just _______.
The teacher told us it was another way of _______ “fast”.