中考冲刺疯狂练（一）
Directions: Choose the best answer from the four choices. (从四个选项中选择一个最佳答案.)
1. Tom is not at school. Do you know what happened ____________?
  A. with him            B. to him             C. to he                D. for he
2. My mother is ____________. I have to look after her.
  A. in the hospital         B. at a hospital            C. in hospital           D. in a hospital
3. Did you hear someone ____________ at the door?
  A. knocks            B. to knock           C. knocked           D. knocking
4. The teacher told the children, “It is very important ____________ careful ____________ fire.”
  A. to be, with            B. is, with            C. being, with           D. to be, to
5. She saw ____________ boy playing with his dog.
  A. a eight-year-old     B. an eight-years-old       C. an eight-year-old       D. a eight-years-old