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 |
______________ that my dearest friend would play a trick on me in front of all my students.
| A．Never I thought | B．Never did I think |
| C．I thought never | D．Never thought I |
More and more Chinese people follow the practice ______ they will travel to various scenic spots to enjoy the scenery in their leisure time.
| A．whether | B．which | C．where | D．that |
Do you know ______________ had reported the accident to the police?
| A．who it was that | B．who was it that | C．it was who that | D．that it was who |
Passengers on board aren’t allowed _____ calls during take-off.
| A．making or receiving | B．having made or received |
| C．to have made or received | D．to make or receive |
During the 1960s, songs about winter ___________ by many famous rock groups were popular among people of different ages.
| A．released | B．being released |
| C．releasing | D．having been released |