—Are these seats available?
—Sorry, sir. The seats ________.
| A．have reserved | B．are reserved |
| C．reserved | D．are reserving |
It is said that dogs will keep you______for a8 long as you want when you are feeling lonely。
| A．safety | B．company |
| C．house | D．friend |
You have been sitting on my hat and now it is badly out of______。
| A．date | B．shape |
| C．order | D．balanee |
Always read the_______on the bottle carefully and take the right amount 0f medicine。
| A．explanations |
| B．instructions |
| C．descriptions |
| D．introduetions |
Put the_______of your tongueagainst your upper teeth when you produce the sound。
| A．tip |
| B．top |
| C．peak |
| D．pole |
At the meeting they discussed three dif-ferent_______to the study of mathematics。
| A．approaches | B．means | C．methods | D．ways |