I __________ to be out when you called me this morning.
| A．seemed | B．appeared |
| C．happened | D．thought |
As there is less and less coal and oil, scientists are exploring new ways of making use of
energy, such as sunlight, wind and water 
for power and fuel.
| A．primary | B．alternative | C．instant | D．unique |
I can’t give you an answer right now. I’d like more time to consider my decision.
| A．still | B．fairly | C．quite | D．a lot |
Tom
, turn down the music. Why you make such a big noise while your baby sister is sleeping?
| A．must | B．would | C．should | D．may |
--- Could you spare me some ink?
--- . Here you are.
| A．With pleasure | B．It’s a pleasure |
| C．That’s nice of you | D．Thank a lot |
If carefully, the experiment will be successful.
| A．do | B．does | C．done | D．doing |