He ________ his homework before I came.
（A）hasdone
（B）hasbeendoing
（C）haddone
（D）wouldhavedone
参考答案
继续答题：下一题
更多大学英语（专升本）试题
- 1If you are invited to someones house for dinner, its better to leave before the last guest leaves if you dont know the host quite well.
- 2Yesterday was ________ day that we decided to go swimming.
- 3Listen! Who ________ in the next room The voice is so beautiful.
- 4Are you going to fix the car yourself, or are you going to have it _________
- 5Since last century, his family ________ teachers.
- 6-I have won the first prize in the English competition.
