The driver started to speed up to ______ for the hour he had lost in the traffic jam.
| A．keep up | B．take up |
| C．make up | D．catch up |
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 |
I really don’t understand how he can ______away with cheating.
| A．make | B．run | C．steal | D．get |