If there no buying and selling of animals, there no killing in nature.
A. is; will be B. will be; will be C. is; is
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 so that they often make mistakes in their homework.
A. careful B. carefully C. careless
