The Internet is really ________ to us. We can get a lot of things from it.
A.strange B.difficult C.unfair D.useful
She is a ________ friend of mine. She always does things differently.
A.common B.special C.light D.high
He has read many books about China, so it's ________ for him to answer these questions about China.
A.difficult B.lazy C.easy D.serious
Steven has invented a treeplanting machine. He is so________．
A.honest B.smart C.private D.boring
It's dangerous to walk too fast on ________ days because you may fall down and hurt yourself.
A.sunny B.cloudy C.windy D.snowy
We should study in a ________ method, or it may be a waste of time.
A.similar B.proper C.natural D.magic
