．Oh, I’m not feeling well in the stomach. I ________ so much fried chicken just now.
| A．shouldn’t eat | B． mustn’t have eaten |
| C． shouldn’t have eaten | D． mustn’t eat |
Someone called me up in the middle of the night, but they hung up _____ I could answer the phone.
| A．as |
| B．since |
| C．until |
| D．before |
Peter’s mother kept telling him that he should give up smoking, but _____ didn’t help.
| A．he |
| B．which |
| C．she |
| D．it |
It’s quite different from _____ I read last month.
| A．that |
| B．which |
| C．the one |
| D．the one what |
Three-fourths of the homework _____ today.
| A．has done |
| B．has been done |
| C．have done |
| D．have been done |
When you want to write a person’s biography(传记)，you must find out _____ about his or her life.
| A．as many as you can |
| B．as much as you can |
| C．as possible as you can |
| D．as complete as possible |