题目内容：

You can not cee it______ feel it when it is part of the air
中间填A .nor B.and C.or D.then
还有一个。
顺便请说出填这个的原因
The water in the air is ont a liquid _____ a gas
A.but B and C then D also

优质解答

can't do A or B 所以C
not A but B 所以A
两个都是搭配