Why haven't you finished your homework yet? You ___________ to have finished it by last Sunday.
| A．are supposed | B．were supposed |
| C．are supposing | D．were supposing |
I must go now. _____, if you want that book I'll bring it next time.
| A．Incidentally | B．Accidentally | C．Occasionally | D．Subsequently |
Achieving a high degree of proficiency in English as a foreign language is not a mysterious _____ without scientific basis.
| A．process | B．practice | C．procedure | D．program |
They were so far away that I couldn't _____ their faces clearly.
| A．see through | B．make up | C．see off | D．make out |
---- May Day is drawing near. Are you going home for the holiday?
---- I haven’t decided yet. I_____ go home, but it all depends.
A. may B.need C.willD must
The earthquake left,______ a lot of damage to Wenchuan.
A. caused B.to have caused C to causeD. having caused