The real-name system _______ train tickets will be sold based on real names is aimed to fight ticket-scalping, which has long been a headache for Chinese travelers.
| A．which | B．that | C．from which | D．in which |
Just imagine performing such an opera as Turandot in the Forbidden City. There ________ be a better setting!
| A．mustn't | B．shouldn't | C．couldn't | D．needn't |
Our government has taken some measures to overcome the lack of electricity, but it may take some time________ we have enough power．
| A．since | B．after | C．unless | D．before |
Science and technology are advancing so quickly that________ is a possibility today may be a reality tomorrow．
| A．that | B．which | C．不填 | D．what |
Each person has his / her unique character which ________him / her from others．
| A．differs | B．distinguishes | C．divides | D．draws |
That is the only way we can imagine________ the overuse of water in students’ bathrooms.
| A．reducing | B．to reduce | C．reduced | D．reduce |