1.All of them shouted【excitedly】when they heard the【exciting】news.(前面是副词,后面是形容词,注意形容人是excited,形容事物是exciting)
2.He had so many【flowers】that he was black and blue all over.(这题我不确定)
3.It snows here【regularly】So we can often play with snow and make snowmen.(regularly=定期,经常)
4.Bob stopped his car quickly when he saw an old lady in the middle of the road and【prevented】an accident.(prevent=阻止,这里是过去式)