The new railway winds its way to Hongkong, _____ mountains _____ tunnels and _____ rivers.
| A．across; over; through | B．over; across; through |
| C．over; through; across | D．through; over; across |
She got up ________ late that she missed the first two classes.
| A．too | B．so | C．very | D．such |
There are two buildings, ________ stands nearly a hundred feet high.
| A．the large one that | B．the larger of them |
| C．the larger of which | D．the larger of that |
Some new oilfields ________ since 1976.
| A．were opened up | B．will be opened up |
| C．have opened up | D．have been opened up |
She’s having a lot of trouble with the new computer, but she doesn’t know whom to ________.
| A．turn to | B．turn off |
| C．turn on | D．turn up |
________ you’ve heard the song, you’ll never forget it.
| A．At once | B．Once more |
| C．Once upon a time | D．Once |