But for the help of my English teacher, I ________ the first prize in the English Writing Competition.
| A．would not win | B．would not have won |
| C．would win | D．would have won |
---You should say sorry to her, Tom．
--- ______, but it’s not going to be easy．
| A．I suppose so． | B．I feel so． | C．I prefer so． | D．I like to． |
Canada is a country ______ many different nationalities as well as one with foreign immigrants ______ the majority of its population．
| A．consisting of; making up | B．making up of; occupied with |
| C．made up of; consisting of | D．consisted of; taking up |
．--- Where are you, Nancy?
--- Here in the sitting room, _______ to Professor Smith．
| A．is writing | B．write | C．to write | D．writing |
--- Where will you start your work after graduation?
--- Mmm, it’s not been decided yet．I _______ continue my study for a higher degree．
| A．can | B．must | C．would | D．might |
How many more decades will have to pass ____ scientists succeed in providing a cure for cancer?
| A．when | B．since | C．before | D．until |