She is a hardworking student, and all her spare time she has ________ staying in the library.
| A．spent | B．is spent |
| C．to spend | D．to be spent |
---If you like,I can give you a ride home.
---That’s a very kind _____ .
| A．offer | B．point | C．suggestion | D．service |
_____ going to the program “If you are the one”, he was rather concerned about being turned down in public.
| A．Much as he liked | B．However he liked |
| C．As he liked much | D．As much he liked |
---I came all the way to inform you of the time and place of the meeting.
---You could have _____ yourself the trouble.
| A．shared | B．spared | C．cost | D．removed |
The fact has worried many scientists _____ the earth is becoming warmer and warmer these years.
| A．which | B．that | C．as | D．what |
It is required that each restaurant have signs on the walls,saying “ _____ your steps!”.
| A．Watch | B．Notice | C．Mind | D．Care |