She studies ___ medicine before she turned ___ writer.
| A．×; × | B．the, a | C．×; a | D．the; × |
You’d better fly somewhere in the west. Then you can ____ a hire car and travel around.
| A．take up | B．get on | C．pick up | D．turn on |
John _____ knowledge of radio just by staying around the radio station.
| A．caught on | B．worked up | C．took up | D．picked up |
It is sleeping late in the morning that _____ being late for work.
| A．devotes to | B．sticks to | C．refers to | D．leads to |
Firemen said the fire wasunder control, but they warned that the change in the weather might______new fires.
| A．lead to | B．bring in | C．result from | D．break out |
It would be very safe if you_________ the door_________ to the garden.
| A．fasten;led | B．will fasten;leads | C．fastened;leading | D．fastened;to lead |