Although you may meet some difficuIties,you should never .
Boys and girls, I have ________ to tell you.A. important something B. something important C. anything important
--Must I come at four o’clock? -- Oh, no, you ______.A. can’t B. mustn’t C. needn’t.
I’m sorry I kept you ______ for a long time.A. wait B. waiting C. waited
We should eat ________ food so that we can enjoy a better life.A. healthy enough B. enough health C. enough healthy
--Would you mind _______ my dog when I am away? --Of course not.A. looking after B. taking care C. keeping away