Do you think he is lazy？” “I _____ so once, but I don’t now.”
| A．may have thought | B．can have thought |
| C．may think | D．might think |
19. You should write it in a style which is__________to your subject.
| A．accurate | B．attractive | C．appropriate | D．Available |
18.From the look on his face , I knew that the end had come, one way or_________.
| A．another | B．others | C．other | D．the others |
17. It’s a pity that you________leave so soon. It’s been so nice having you here.
| A．should | B．could | C．can | D．Might |
16. — Where is your new home now?
—In the new developed zone. But I_____downtown for five years.
| A．have lived | B．had lived | C．lived | D．was living |
15. Poverty is still killing people._____, these small victories are a good start towards a better future.
| A．Furthermore | B．Therefore | C．However | D．Otherwise |