—What is the model plane like?
－Well, the wings of the plane are of its body.
| A．more than the length twice | B．twice more than the length |
| C．more than twice the length | D．more twice than the length |
Theoretically, a good screwdriver should last a lifetime, but it rarely___________, usually because it is used at one time or another as ___________ some other tool.
| A．should, a favor for | B．should, a lack of |
| C．does, a way of | D．does, a substitute for |
Not until _________________ the better qualities in ourselves ____________ expect to find them in others.
| A．have we developed; can we |
| B．we have developed; that can we |
| C．we have developed; can we |
| D．can we develop; that we will |
— Well, lost again!
— It is not very important . We _____ forget about it. OK?
| A．cannot but | B．have to |
| C．might well | D．might as well |
More and more people prefer jogging in the morning, _______ benefits for health arise from the air rich in oxygen.
| A．which | B．that | C．whose | D．who |
After graduation from college, Joe ______ for a year seeing the country before he went to work in his father’s business.
| A．knocked about | B．knocked over |
| C．knocked down | D．knocked off |