Homework __________ on time will lead to better grades.
（A）done
（B）be done
（C）having done
（D）having been done
参考答案
继续答题：下一题
更多大学英语选择题200道试题
- 1It is politely requested by the hotel management that radios _____________ after 11 o'clock at night.
- 2I'd rather read than watch television; the programs seem _____________ all the time.
- 3The boy __________ the dog with a thick stick but the dog did not yield.
- 4After that they drove to the Guest House at ___________ speed.
- 5The mere fact _____________ most people believe a nuclear war would be madness doesn't mean it will not occur.
