Canada, _____ second to Russia in size, is _____ home of all kinds of animals and plants, making it famous for its natural scenery.
| A．/; a | B．the, the | C．the, / | D．/ ; the |
We have every reason to believe that_______2008 Beijing Olympic Games will be_____success.
| A．不填；a | B．the;不填 | C．the;a | D．a;a |
-Tony said he could fix my bicycle,but I really doubt it.
-.He's very good at this sort of thing.
| A． | Don't worry | B． | I couldn't agree more |
| C． | Of course | D． | A piece of cake |
You can’t imagine what difficulty we had _______ home in the snowstorm.
| A．walked | B．walk | C．to walk | D．walking |
—Has your father returned from Africa yet?
—Yes,but he _______ here for only three days before his company sent him to Australia.
| A．was | B．has been | C．will be | D．would be |
We had to wait half an hour _______ we had already booked a table.
| A．since | B．although | C．until | D．before |