The doctor told me to take the medicine .
| A．every fourth hours | B．each fourth hour |
| C．each four hours | D．every four hours |
16. She became very popular after she won the Oscar ________ last year.
| A．Prize | B．Award | C．Reward | D．Medal |
15. The hiding man made a hole in the wall ______ he could observe the outside.
| A．in which | B．by which | C．through which | D．with which |
14. “ You have to trust in god, _______ friends and bank on education,” the teacher said in an honest voice.
| A．live on | B．rely on | C．keep on | D．insist on |
13. Every time the father comes into his room, the boy pretends ______ earnestly.
| A．reading | B．to be reading | C．to be read | D．to have read |
12. I’d like to have these documents _______ in a minute.
| A．sorting out | B．sorted out | C．to be sorted out | D．sort out |