Yesterday I helped Mr.Smith with the Christmas lights.如何翻译?

Yesterday I helped Tom -------- his radio. 为什么--------要选mend i helped my mother with the housework yesterday改为否定句 I helped my mother cleaned the room yesterday.这句型对吗? I helped my mother ___ the cooking yesterday evening.A.does B.did C.doing yesterday I helped him__the homeworkA do B does C did Ddoing Yesterday I helped Mr.Smith with the Christmas lights.如何翻译? I helped my mother clean the room yesterday.还是I helped my mother cleaned the room yesterdayhelped后面的clean应该不用加ed了吧 I ,helped ,my ,dog,carry ,my ,husband's ,slippers ,yesterday ,_ 是这九个词.再加一个词 加以 i visited the science m------ yesterday I visited the science m( )yesterday I'm met to foreigner in yesterday. 1.Linda helped her mother clean the room yesterday.(用tomorrow替换yesterday)Linda ____ ____ ____ ____her mother clean the room tomorrow.2.I'm going to da some shopping this Saturday.(对do some shopping提问)____ ____ you going to ____this Saturd I'm flying to Japan同义句 they helped me with my english i helped my friend bill find his m .they are happym后面应该填什么 I met the old woman again.I helped her cross the street the day before yesterday.改写为含定语从句的主从复合句 I helped my classmate today. 用who,whom或which把以下每对句子改写成一句话.This is the old man.I helped him the before yesterday. there ---a small boy --in the corner yesterday,and i helped him find his mother.A.was crying B.is cry C.was cries D.is cries