分类：教育/科学-学习帮助
问题：初二英语、、、Simon_______(do)notingtod 
Simon _______(do) noting today.He hasn't f the fish yet.It________(snow) twice in his hometown since a week ago.
回答：楼上的说错了吧
had done
要用过去完成时,因为后面有yet
has snown
有since要用完成时