______ metals are good conductors, silver ______ the best conductor of all.
| A．Almost, being | B．Almost all, being |
| C．Almost, is | D．Almost all, to be |
The finance minister has not been so _____ since he raised taxes to such a high level.
| A．popular | B．well-known | C．favorable | D．preferable |
The boy had a _____ escape when he ran across the road in front of the bus.
| A．close | B．short | C．narrow | D．fine |
A university is an educational institution which _____ degrees and carries out research.
| A．rewards | B．awards | C．grants | D．presents |
We are interested in the weather because it _____ us so directly ------ what we wear, what we do, and even how we feel.
| A．benefits | B．guides | C．affects | D．effects |
An early typewriter produced letters quickly and neatly; the typist, _____ couldn't see his work on his machine.
| A．however | B．therefore | C．yet | D．although |