英语两句合成一句1.I did not go to bed.my mother come back2.I will ca

英语两句合成一句1.I did not go to bed.my mother come back2.I will call you.I get to Beijing3.He comes here.he want to get his book back.4.He is very old.he can not carry the big box.5.he is 170cm tall.she is also 170cm tall.