Can you think of some cases drivers obviously knew the traffic rules but didn’t obey them?
| A．why | B．where | C．as | D．which |
The world is a book，and those who don’t travel read only one page．That’s____I’ll go on a tour this summer．
| A．how | B．why | C．when | D．Where |
一Excuse me，sir．This is a non-smoking train．
一Oh，sorry．I____ know that．
| A．haven’t known | B．hadn’t know |
| C．didn’t know | D．don’t know |
Sorry to have kept you waiting so long，but it’ll still be some time____Mr．Smith is available．
| A．when | B．before | C．after | D．Since |
People would like to listen to officials talk____，for no one likes an endless and empty talk．
| A．seriously | B．fluently |
| C．frequently | D．Plainly |
Anhui Province has relaxed the one-child policy，allowing couples to have a second baby if____ parent is an only child．
| A．neither | B．no | C．either | D．Any |