It is going to be very cheap ______ our homes in the future.A.hea_英语解答

It is going to be very cheap ______ our homes in the future.
A.heat B.heating C.to heat D.heats

人气：300 ℃　时间：2020-05-03 13:19:17

解答

C.to heat
it做形式主语时,要用不定式短语作真正的主语,而不能用动词的其它形式