---What ____________ you _____________ last weekend?---I wrote some letters and read a book.A do, do B did, do C will, do D have, done
— Is there _______ big hotel in the town? — Yes. ______ service there is very good.
The propgram also provide them _____ job training so that they can live a normal life.
—It smells terrible. What has happened here? —Look, there is much waste gas _____ from the chemical factory.
—Have you finished your homework? —Not _____. There are still some exercises to be done.
_____ the environment is important for human beings.