Don’t throw away your old clothes, it’s very ______.
[     ]
A. useful
B. wasteful
C. wonderful
A china cup can be used again. It’s ______.
[     ]
A. reuse
B. reusable
C. useless
It will be ______ a theory（理论）without practice.
[     ]
A. useless to learn
B. useful learning
C. usefully to learn
词形变化。
1. It’s _______(possible) for me to work out the problem. It’s too hard.
2. I think you can work out the math problem _______. (success)
3. Waste paper can be _______(cycle).
4. Please give me the full _______ (describe) of the accident.
5. As soon as they got to the railway station, it began to rain _______. (heavy)
I want to drink _____ milk.
[     ]
A. a few
B. a bit
C. a bit of
There is ______ traffic and ______ people in the street at the moment.
[     ]
A. too much; too many
B. too many; too much
C. much too; too many
This term we have __________ exams in many subjects.
[     ]

A. months
B. month's
C. a month
D. monthly

The Great Wall is about 6,700 kilometres ________.
[     ]
A. far      
B. wide      
C. high    
D. long
She's not asleep,  her eyes are ________.  
[     ]
A. opened
B. open
C. close
D. closed
—Are you              "planting online vegetables"?
—No. I think it's a waste of time.

[     ]

A. major in
B. afraid of
C. angry with
D. interested in
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