_____ maths is concerned, Tom is the best student in our class.
| A. As long as |
B. As well as |
C. As soon as |
D. As far as |
-When did the couple die?
-It was on May 12 the earthquake hit WenChuan County.
| A．that | B．which | C．when | D．what |
I am really a bit worried because I have no idea what my parents’ will be to my poor examination result.
| A．expression | B．reaction | C．appearance | D．expectation |
Onlywhenonelosesfreedom _______itsvalue .
| A． doesoneknow | B．onedoesknow | C．doesknow one | D．knowonedoes |
Well let you use the room ______you keep it clean and tidy .
| A．even though | B．on condition that | C． if | D．however |
Is thisthe research center _____you visited thelablast year ?
| A． which | B． the one | C．that | D．where |