. As there is less and less coal and oil, scientists are exploring new ways of making use of ______ energy, such as sunlight, wind and water for power and fuel.
| A．primary | B．alternative | C．instant | D．Unique |
______ makes the school proud is_______ most students have been admitted by the key universities.
| A．What; because | B．What; that |
| C．That; that | D．That; because |
Can you imagine what problem may ______ when human beings are cloned?
| A．raise | B．cause |
| C．arise | D．lead |
I’ll bring some medicine just _____ some of us get sick while travelling.
| A．in case | B．as if |
| C．even though | D．as long as |
— Can I have a day off the day after tomorrow, sir?
— _______. We can manage without you.
| A．No way | B．I’m afraid not |
| C．It depends | D．No problem |
—What is your plan for the holiday, Paul?
—I’ll go on a trip to Yunnan Province with my family.
—.
| A．Have a nice time | B．Good luck |
| C．Come back soon | D．Congratulations |