题目内容：

用下列句式造句（英语）
1.be going to do sth
2.be doing
3.be+to do sth
4.be about to do sth
5.will be doing
6.If引导的条件状语从句里面用一般时表将来时

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I`m going to have supper.I`m doing my homework.My favourate star is to come to China.I was about to leave when the doorbell rang.（be about to 一般要与when连用.）I will be at college at this time of n...