Two-thirds of Australia kangaroos and ______ are native ______the area which_______ dry and desert.
| A．dingoes; to, is | B．dingos; on, are |
| C．dingoes; to ,are | D．dingos; by, is |
with the size of the whole earth, the highest mountain doesn't seem high at all.
| A．When compared | B．To compare |
| C．While comparing | D．It compared |
He is believed____________ in at his office on his way home.
| A．dropping | B．to have dropped |
| C．having dropped | D．to be dropped |
—What would you wish to do if you were a college student again?
—That's very hard to say, but I wish I when I was a college student.
| A．has not studied biology | B．did study biology |
| C．had studied biology | D．studied biology |
Peter won't drive us to the station. He has___________ to take us all.
| A．a very small car | B．too small a car |
| C．a too small car | D．such a small car |
Mr. Smith__________ the roll of film as soon as he arrived home
| A．got down to wash | B．got down to develop |
| C．got down to washing | D．got down to developing |