You must cut up ______ onion and ____ tomato first.
| A．a, an | B．a, a | C．an, a | D．an, an |
Breakfast is meal of the day. It gives us energy after a long night without food.
| A．important | B．more important |
| C．the most important | D．very important |
The lady in this photo __be over fifty! She looks so young!
| A．mustn't | B．can't | C．must | D．can |
--Mike, can you tell us something about our new teacher?
-- Oh, sorry. I know nothing because I _ him before.
| A．saw | B．didn't see | C．have seen | D．haven't seen |
-- Would you please ___your radio a little? I can hardly go to sleep.
-- Oh, sorry.
| A．turn off | B．turn on | C．turn down | D．turn up |
The boy __exercises, so he has to see the doctor because of overweight.
| A．nearly | B．hardly ever | C．always | D．usually |