Modern forms of transportation and communication have done much to ______ the isolation（隔离）of life in Alaska.
| A．break down | B．break out |
| C．break into | D．break through |
I left very early last night, but I wish I _____ so early.
| A．didn’t leave | B．hadn’t left |
| C．haven’t left | D．couldn’t leave |
The librarian insists that John _____ no more books from the library before he returns all the books he has borrowed.
| A．will take | B．took | C．take | D．takes |
.If I _____ the money, I would have bought a much bigger car.
| A．possessed | B．owned | C．had | D．had had |
.He has just arrived, but he talks as if he _____ all about that.
| A．know | B．knows | C．known | D．knew |
He hesitated for a moment before kicking the ball, otherwise he ________ a goal.
| A．had scored | B．scored |
| C．would score | D．would have scored |