－He is eager to try something he has never tried before．
－Oh,I see．That，s ______he's different from others．
| A．when | B．what | C．how | D．where |
Professor Smith, along with his assistants, _____on the project day and night to meet the deadline.
| A．work | B．working | C．is working | D．are working |
The Sound of Music is the first English filmI have ever seen.
| A．which | B．that | C．when | D．what |
Air is to us _____ water is to fish.
| A．what | B．that | C．which | D．is that |
In _____ film Cast Away, Tom Hanks plays _____ man named Chuck Noland.
| A．a; the | B．the; a | C．the; the | D．a; a |
In order to improve your writing, you’d better write .
| A．more or less | B．little by little |
| C．now and then | D．step by step |