Questions and exercises are given by the computer, which decides ______ to move the students ahead, review an easier level, ____ give more work on the same level.
| A．either, or | B．both, and . | C．whether, or | D．not only, but also |
She is so______ to his English teaching that I admire for his______.
| A．devote; devote | B．devoting; devotion | C．devoted; devotion | D．devoted; devote |
We can't _____ one to change the habits of a lifetime in a short time.
| A．hope | B．wait | C．expect | D．imagine |
It was necessary to _____ the factory building as the company was doing more and more business.
extend B. increase C. lengthenD. magnify
On turning the corner, we saw the road _____ steeply.
| A．departing | B．decreasing | C．descending | D．depressing |
----- How do find the boy at home?
------_______.
| A．Very interesting | B．in the bed | C．in the kitchen | D．under the table |