None of the students watched it （ ）.
（A）careful enough
（B）enough carefully
（C）carefully enough
（D）enough careful
I don’t think English is （ ） Chinese.
（A）as important as
（B）not as important as
（C）not so important
（D）important as
It is estimated that self - drive tour costs （ ） package tour, so we’d prefer our holiday organized by a local travel agent.
（A）three times as much as
（B）as much three times as
