问题
6. As there is less and less coal and oil, scientists are exploring new ways of making use ofenergy, such as sunlight, wind and water for power and fuel.
A:primary
B:alternative
C:instant
D:unique
B:alternative
C:instant
D:unique
正确答案是:
同类题型
John is the tallest boy in the class,______ according to himself.[ ]
How long ____ you ____ in Singapore—For just the weekend. I’ll be back next Monday morning.
The weather in Beijing in summer is ___than that in Shanghai. They are different.
e first met Eliza, she had no manners, but said ______ her head, without thinking.