The companies are working together to create _____they hope will be the best means of transport in the 21st century.
| A．which | B．that | C．what | D．Who |
well prepared you are,you still need a lot of luck in mountain climbing.
| A．However | B．Whatever |
| C．Wherever | D．Although |
The news shocked the public,to great concern about students’ safety at schlool.
| A．having led | B．led |
| C．leading | D．to lead |
During the rush hour they werein the heavy traffic.
| A．held on | B．held up |
| C．held down | D．held out |
Alice was good at English,German and Russian,all ofshe spoke fluently.
| A．who | B．whom | C．which | D．that |
Don’t be discouraged.things as they are and you will enjoy every day of your life.
| A．Taking | B．To take | C．Take | D．Taken |