_____ is even more important is that as the earth cooled down, water began to appear on its surface.
| A．As | B．That | C．What | D．Where |
_______ you don't like him is none of my business.
| A．What | B．Who | C．That | D．Whether |
_______ you have done might do harm to other people.
| A．That | B．What | C．Whether | D．How |
No one can be sure _____ in a million years.
| A．what man will look like | B．what will man look like |
| C．man will look like what | D．what look will man like |
______we can’t get seems better than ______we have.
| A．What; what | B．What; that | C．That; that | D．That; what |
He asked ________ for the violin.
| A．did I pay how much | B．I paid how much |
| C．how much did I pay | D．how much I paid |