Generally speaking, clothes made of man-made materials is less comfortable than _____ made of natural fibers like cotton, wool or silk.
| A．that | B．it | C．those | D．One |
The old man received a lot of respect for his ________ character.
| A．grand | B．noble | C．high | D．splendid |
Don't ______ the windows open---it's inviting thieves to enter.
| A．keep | B．leave | C．remain | D．stay |
Don’t be _________ at the examination, and believe that you can do well in it.
| A．anxious | B．upset | C．nervous | D．worried |
I’m sorry I can’t lend any money to you because I have ______ my purse at home.
| A．left | B．forgotten | C．lost | D．put |
You can’t throw the waste everywhere. You should keep the classroom _________.
| A．quiet | B．neat | C．orderly | D．bright |