I usually stay home at night.stay home 中home前面为什么不用加at?

I usually stay home at night.stay home 中home前面为什么不用加at? I usually stay at home and do ()reading On Saturdays and Sundays I usually stay at home.(改为同义句)______ ______ I usually stay at home. I usually stay at home and do reading with my mother.是填空. i usually stay at home ( )the weekend A.in B.for C.to D.on _____（In/On) a rainy day,I usually stay at home,watching tv. I usually stay ( )my parents ( )home on Sundays.括号里填介词 I do not usually stay at home on sunday 改为同义句怎么说 “I stay at home”or“I stay home”哪个正确? I usually stay at home when it is r＿ 这里的“下雨”用rainy还是用rain? I usually stay at home and do --- reading.-----是要填的答案，这个的问句是What do you usually do on Sunday? 改错 Mrs.Brown usually stay home in the moring. Jack usually _____(stay) at home in the evening. Mrs.Brown usually stay home in the morning.改错! We usually stay at home at the w_______ i would like ____(stay)at home. I stay ( )home in the evening I must stay （ ）home today