So far, scientists
haven’t found any evidence of water that ______ life on Mars.
| A．holds | B．raises | C．brings | D．supports |
Do not let any failures discourage you, for you can never tell______close you may be to victory.
| A．how | B．that | C．which | D．where |
________makes the book so extraordinary is the creative imagination of the writer.
| A．That | B．What | C．Who | D．Which |
—The patient looks much better.________ is it that has made him ________ he is today?
—Perhaps the special medicine and his family's patient care.
| A．What；that | B．That；that |
| C．What；what | D．What；which |
Nobody would stand out admitting the fact，for some reason，________ they lost the game.
| A．that | B．which | C．what | D．why |
David Beckham has ________ it takes to become a professional football player.
| A．who | B．what | C．which | D．that |