—The hotel business in China is as __________ as that in developed countries now.—Yes, but we still have a long way on energy saving hotels.

Air is________and of no smell but we can feel its motion when there is a wind. 

She told us ______ story that we all forget about the time .

.-----Are you ____to be out late tonight? -----No,because it is rather cold outside.

This part of the library is only ______ to people over eighteen years old.