_____ you keep on trying, I really don’t mind whether you can come up top in your class.
| A．As long as | B．Even though | C．As soon as | D．The moment |
Lucy has a great sense of humour and always keeps her colleagues ________ with her stories.
| A．amused | B．amusing | C．to amuse | D．to be amused |
Evidence has been piled up________ drinking water after getting up in the morning contributes to one’s health.
| A．what | B．which | C．if | D．that |
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 |