This company earned a lot of money. As a result，the members' personal income rose by a(n)________of 13 percent.
| A．average |
| B．ordinary |
| C．common |
| D．usual |
The sentence，which puzzled John，was alsome and we had to turn to our English teacher for help.
| A．beyond | B．over | C．after | D．off |
Telephone users sometimes complain about unreliable service andthey consider unfair charges.
| A．which | B．that | C．what | D．how |
I really appreciateto drive me home，but I am afraid that I have to finish my work first now.
| A．you to offer | B．it you offer |
| C．your offering | D．this you are offering |
Many people like to talk about generation gaps. I don’t think there isin my family, though.
| A．it | B．some | C．none | D．one |
The drilling in Antarctica dragged on slowly because of lack of money, equipment breakdowns, environmental ______ and severe cold.
| A．concerns | B．assumption | C．occupations | D．ignorance |