Now science and technology have made _____ possible for the earth to support more people.
We can do a lot to stay healthy., we should eat a balanced diet. A. At a time B. In fact C. First of all
I can’t afford the car, five thousand dollars ______ too much for me. A. is B. are C. be
– Will you please go to see the movie Guanyinshan with me? – No, I won’t. I it already. A. saw B. have seen C. see
As everyone knows, rubbish everywhere. A. need be thrown B. mustn’t be thrown C. can’t throw
Some students are sothat they often make mistakes in their homework. A. careful B. carefully C. careless