—what do you think of Bill?
—He is a hard-working student and he always ____himself in study.
| A． spends | B．takes | C．buries | D． costs |
Rather than ______ the plane all the way, they decided _______ to Vancouver.
| A．taking, flying | B．take, to flying | C．take, to fly | D．to take, to fly |
He has no money nor friends here. That’s why he ______ sleep in the street.
| A．must | B．has to | C．should | D．may |
It was said ____that was _____ he succeeded in running his business.
| A．that, what | B．that, that | C．what, how | D．that, how |
The farmers are only allowed to cut ______ trees and cut them _______ for firewood once a year.
| A．down, up | B．up, down | C．off, across | D．down, out |
Doctors say _____ good diet is of ______ great benefit to our health.
| A．a , a | B．the, a | C．a, / | D．the, / |