make it 后面接表时间的短语时,是不是不能接at

make it 后面直接+时间,不用介词.
附：
make it 用法
用法一 表示事业获得成功You will make it if you try.你会成功的,如果你努力的话.He’s never really made it as an actor.He’s never really made it as an actor.他当演员从未有所成就.
用法二 表示某人做成某事You needn’t worry; he will make it.你不必担心,他会办成的.If you want to make it,better get doing.如果你想把这事干成,就该动手了.I can’t make it on Friday.It’s very short notice.星期五我办不好,时间太短了.Many high-wire walkers died on their last step,thinking they had made it.许多走绳索者死在最后一步上,这时他们认为已经表演成功了.I thought he would be too old to get to the top of the mountain,but he made it at last.我原以为他年纪大爬不到山顶,但最后他还是爬上去了.