Almost every day it is not until midnight __________ Xiao Ming finishes his homework.
| A．that | B．when | C．while | D．as |
In my view, London's not as expensive in price as Tokyo but Tokyo is ______in traffic.
| A．the most organized | B．more organized |
| C．so organized as | D．as organized as |
Catherine, ____ the alarm clock for 6 o’clock, or you would oversleep and be late for the train.
| A．setting | B．sets | C．set | D．to set |
The companies are working together to createthey hope will be the best means of transport in the 21st century.
| A．which | B．that | C．what | D．who |
The hotel wasn’t particularly good. But I ____ in many worse hotels.
| A．was staying | B．stayed | C．would stay | D．had stayed |
The education of _______young is always _______ hot and serious topic in modern society.
| A．the; / | B．a; the | C．/; the | D．the; a |