I remember------the key----the room to you this morning.

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.