It’s not wise ______ think you are always right.
| A．of you | B．for you | C．for you to | D．of you to |
You _______ to tell him the news. It will make him sad.
| A．needn’t | B．shouldn’t | C．couldn’t | D．don’t need |
Many experts think pigs are ______ to train than dogs or cats.
| A．easier | B．much easy | C．more easily | D．too easy |
Five _______ students from different schools took part in the English contest last Saturday.
| A．hundred of | B．hundred | C．hundreds of | D．hundreds |
Many scientists say that it’s important for us to have ______ food in our diet.
| A．a variety of | B．a great deal | C．a large number of | D．a good many |
It is no doubt that Liu Xiang is _______ favorite star.
| A．us | B．we | C．our | D．ours |