1.you are w___ on the telephone.Please hurry up and answer it.
2.She has a sweet v____ ,so she can sing beautifully.
3.English is useed as a ____(two)language in many countries.
4.The teacher wrote an e____ on the blackboard to help us to understand.
5.I think it is not salty enough.You should a____ some more salt.
6.She is l____ the things that they need for piece of paper.