--Are my keys on the bed?--No,they are____it.
问题描述:
--Are my keys on the bed?--No,they are____it.
--Are my keys on the bed?
--No,they are____it.
答
not介词
--Are my keys on the bed?--No,they are____it.
--Are my keys on the bed?
--No,they are____it.
not介词