Ann is said ________ research in Africa, and she will come back next month.

My brother and some of his classmates ______ as volunteers to help the elderly in the old-age home during the winter holiday to come.

Why did he say so?— Sorry, I don’t understandhe has said means.

Would you like to go to the large grassland this summer– Good idea. The large grassland the blue sky is my favourite.

It will be a long time ______- he returns