问几个英语单选题1.A couple of suspicous-looking---were standing outs

问几个英语单选题1.A couple of suspicous-looking___were standing outside the house Acharacters B persons2.___-our agents,we have complete confidence in their honestyA Regardless of BOn regard to C Concerning to DWith reference to3,Children who see mainly positive qualities in their __ will likely learn to see themselves in a positive way A peers Bparents4,Having managed somehow to skip going to college,he has _made a fortune as a very young man.A nevertheless B therefore Chence D just5,_ __the city spent over 1 billion on its museums and stadum.it failed to look agter its schools.A moreover B whereas6.Mum,I’ve been studying English since 8 o’clock.______I go out and play with Tom for a while?—No,I’m afraid not.Besides,it’s raining outside now.A.Can’t B.Wouldn’t C.May D.Won’t选ADAAAA请解释下为什么这样选,其中34题我不知道句意,最后一题不明白为什么不能选C我不是光问346题啊。另外最后一题是高考题，应该不会出错的