giving ,of我记得今天早上把那个房间的钥匙给你了remeber doing sth,记得做了……
the key of the room,那个房间的钥匙
the key to关键是（在于）的意思选项里没有ofthe key to 也可以
the key to the
room房间的钥匙

the key to my
room我房间的钥匙--------we make it half past seven?what about------it a littleearlier?那这个呢？？？？shall(will)，make(do)1.shall,making2.shall.to make3.will.making4.will.to make选择1.