I ____ go to bed ____ the telephone rang.
| A．was about to, when | B．was going to, while |
| C．would, when | D．was to, while |
By hiking, people can __________ nature and enjoy a new kind of life.
| A．close to | B．close to the |
| C．get close to | D．get close to the |
-How did you find the rock music concert last night?
-__________.
| A．I went there by bike | B．I'll do my best |
| C．It was fascinating | D．You are absolutely right |
There were only __________ as ten years ago on the hill.
| A．as one third trees | B．as a third many trees |
| C．one third trees as many | D．a third as many trees |
It is suggested that a study plan __________ right now.
| A．is made | B．is to be made |
| C．be made | D．had been made |
I know one of the things I was unsure about was __________ hard it would be to climb this mountain.
| A．what | B．that |
| C．however | D．how |