The police have issued a detailed ____________ of the missing boy.
| A．direction | B．expression | C．description | D．instruction |
Put the ___ of your tongue against your upper teeth when you produce the sound.
| A．tip | B．top | C．peak | D．pole |
It is said that dogs will keep you _________for as 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．balance |
At the meeting they discussed three different ______to the study of mathematics.
| A．approaches | B．means | C．methods | D．ways |
The ______on his face told me that he was angry.
| A．impression | B．sight | C．appearance | D．expression |