I don’t know when he ______. When he ______, I will let you know.
| A．will arrive, will arrive |
| B．arrives, arrives |
| C．will arrive, arrives |
| D．arrives, will arrive |
The fastest plane made by the USA can fly 10，000 meters______ the sound per hour.
| A．less than | B．more than | C．faster than | D．slower than |
John Smith is_______of the two young men.
| A．tall | B．taller | C．the taller | D．the tallest |
My brother is_______than me.
| A．older three years | B．old three years |
| C．older three year | D．three years older |
Taobao.com is one of_______ shopping websites in China.
| A．large | B．larger | C．largest | D．the largest |
Without hard work, you can't______your dream.
| A．choose | B．encourage | C．manage | D．achieve |