The teacher told us _________.
| A．light travelled as fast as sound |
| B．light travelled faster than sound |
| C．light travels as fast as sound |
| D．light travels faster than sound |
— Have you finished your homework __________?
— Yes， I’ve __________ finished it.
| A．just; already | B．yet; never |
| C．yet; already | D．already; yet |
The terrible earthquake hit Japan __________ the afternoon _________ March 11th.
| A．on; of | B．on; on |
| C．in; of | D．in; in |
________ accident happened on the busy street because ________ driver drank too much.
| A．An; the | B．A; the | C．A; a | D．An; a |
--- How _______ is it from Xi'an to Dunhuang? --- It's less than 3 _______ flight.
| A．long； hour's | B．far； hour's |
| C．long； hours' | D．far, hours' |
He has _______ for two years.. Two years _______ a long time.
| A．left home, are | B．left home , is |
| C．been away from home , is | D．been away from home , are |