Not until __________ on TV __________ that the Chinese ship was rescued by the European Union Task Force.
| A．did I turn; did I know | B．did I turn; I knew |
| C．I turned; did I know | D．I turned; I had known |
-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 |
__________，as long as I'm with nature, I don't care.
| A．However tough is the journey | B．Whatever tough is the journey |
| C．However tough the journey is | D．Whatever tough the journey is |