I want to ring him＿＿＿to know the reason why he rang＿＿＿while I was speaking yesterday.
| A．up； off | B．back； up | C．up； down | D．on； off |
It was just a __________ comment; I didn’t mean it to be taken so seriously.
| A．uniform | B．casual | C．humorous | D．formal |
Cycling is highly __________ to people’s health and the environment.
| A．fashionable | B．beneficial | C．changeable | D．suitable |
I’ve listened to Professor Smith’s talk about medicine,but I still haven’t got a good understanding of its key _________.
| A．notes | B．information | C．words | D．points |
It was becoming increasingly _________ that he could no longer look after himself.
| A．disgusting | B．changeable | C．transparent | D．apparent |
—She’s a lot older than you,isn’t she?
—Fifteen years,to be _________.
| A．frank | B．precise | C．honest | D．fair |