1.child的复数是children,所以先排除B和D,lots of===a lot of,在排除C
2.sheep单复数同型,cow为可数名词,复数加s,所以选Cclint will give uson our grammar study.A an advice B someadviceC someadvices D advices答案是B.为什么?为什么不是C?Did you hear just now?A a noiseB noise答案选A为什么?noise不是不可数名词么?Badvice 是不可数名词Anoise,可作可数名词,再如:Do you hear those strange noises? 希望对你有启发,如对你有帮助,请记得及时采纳