As is well known, the brain performs a very important _______, which controls the nerve system of the body.
| A．motion | B．action | C．function | D．fact |
Our knowledge of computers ________ growing all the time.
| A．be | B．is | C．are | D．were |
He could_____ neither French or German, so I____ with him in English.
A, speak, talked B. talk, told C. say, spoke D. tell, talked
He's so careless that he always _______ his school things at home.
| A．forgets | B．leaves | C．put | D．buys |
--Excuse me, Look at the sign NO SMOKING! --Sorry, I ________ it.
| A．don't see | B．didn't see | C．haven't seen | D．won't see |
The car ________ and stopped at the red traffic lights.
| A．got on | B．got off | C．slowed down | D．picked up |