Physics____ ____useful subject in our daily life.
| A．is , a | B．are, an |
| C．is, an | D．are , a |
He doesn’t do his homework ______________, though he has ______________.
| A．carefully enough, enough time |
| B．enough carelessly, time enough |
| C．carelessly enough, enough time |
| D．enough carefully，enough time |
—Jim enjoys listening to pop music. — ___________.
| A．So does Helen. | B．Also is Helen |
| C．Helen likes also | D．So Helen does |
I always go to sleep ___________ the light on.
| A．in | B．with |
| C．to | D．at |
I___________ frustrated when I wasn’t sure of the correct answer.
| A．may be | B．used to |
| C．used to be | D．use to be |
— Can I get you a drink? — That’s very nice of you. I’ve already got _____.
| A．it | B．one | C．that | D．this |