高一英语单选一道~_____ that he might be hit by other cars,Peter put a card on the back of his car reading"Caution-Newly Licensed".[ ] A.Concerned B.Concerning C.Having concernedD.Being concerned 请问一下为什么要选A?

高一英语单选一道~_____ that he might be hit by other cars,Peter put a card on the back of his car readingCaution-Newly Licensed.[ ] A.Concerned B.Concerning C.Having concernedD.Being concerned 请问一下为什么要选A? 高一英语单选12-17 求答案,高一英语单选 高一英语单选18-25 高二英语单选一道.求详解 一道高一英语单选He gave me a（）smile.A.SatisfiedB.SatisfyingC.SatisfiesD.Satisfaction 高一英语单选,急,今晚要答案..1.what i want to know _____ is from using her adviceA.how can we get B.what can we getC.who can we get D.that can we get2.if you are _____ for your job and don't complain about it,you’ll do a better job.A.gra 一道高一的英语单选题The relations between Israel and Pakistan are rather _____ for conflicts keep rising.A tense B friendly C stormy D admiring为什莫选A?这句话怎末解释? 高一英语单选14至17 高一英语1,2,3,4,5单选 高一英语单选1至5 高一英语上面单选,求检查 高一英语单选1至3 高一英语单选,为什么A也可以 请教高一英语问题,求达人解答（单选） 高一预科班英语单选 只有六题... 高一英语单选题,第一题应该选什么? 高一英语单选18至20