“I’m certainly more and more to the conclusion that Iraq has, ___they maintained（断言）, destroyed almost all of _____ they had in the summer of 1991.” Bill said.
| A．which, what | B．as, which | C．as, that | D．as, what |
The country, __with cherry tree flowers, looks as though it is now under a blanket of pink snow.
| A．covering | B．covered | C．to cover | D．covers |
Tim, drink your milk and set a good example ______ the other children!
| A．to | B．for | C．with | D．of |
Babies are interested in ______ they find and are likely to put it into their mouths.
| A．no matter what | B．no matter which | C．whatever | D．whichever |
No one believes the small dark lab is ___ home to so many great inventions at___ first sight.
| A．the; the | B．不填；the | C．the；不填 | D．不填；不填 |
Fleming discovered penicillin almost by______.
| A．experiment | B．hand | C．accident | D．theory |