The government _____ air quality in urban areas from level one to five: excellent, fairly good, slightly polluted, poor and dangerous.
| A． arranges | B．classifies | C．distributes | D．divides |
When they hurriedly arrived home, they found their house ______ and a lot of things _____.
| A．break into; missing | B．broken in; missed | C．broken into; missed | D．broken into; missing |
He is a student at Oxford University, __________ for a degree in computer science.
| A．studied | B．studying | C．to have studied | D．to be studying |
The child was almost _______________ from the outside world.
| A．cut off | B．cut down | C．cut out | D．cut in |
A middle-aged woman came ________ to the bus stop only ______ the bus had gone.
| A．to run; to find | B．running; to find | C．and ran; finding | D．running; finding |
36. Immediate action should be _______ to prevent people from being affected by the bird flu.
| A．made | B．brought | C．taken | D．paid |