In spite of all the efforts __________ these endangered species, many of them have died out over the years.
| A．to protect | B．protecting |
| C．protected | D．having protected |
Money plays an important role in ______ material world. But expecting ______ money to give happiness may be missing the meaning of life.
| A．a; the | B．the; 不填 | C．不填; 不填 | D．the; the |
If you drive from the airport, go on the motorway and follow the ______.
| A．designs | B．signs | C．ways | D．points |
Have a ______ of these apples. They are sweet and delicious.
| A．look | B．taste | C．smell | D．feel |
--- Hey, Mr. Smith, you are wanted on ______ phone.
--- Who is calling?
--- ______Mr. Green. I don’t know who he is.
| A．不填; A | B．the; 不填 | C．the; A | D．不填；不填 |
We are ready to start at short ______.
| A．information | B．advice | C．message | D．notice |