His mother is (at home) today.A.in B.at C.on D.to(括号中的词可以替换成哪个,并说明)

he has to look after his mother at home,because his mother is {i } in bed His mother is at home today.同一句 His mother ( ) ( )home. His mother is a his mother is a ____,she is good at _____.用cook的正确用法添. Look!The boy is playing_____the tree.His mother is looking at him His mother is cooking_____a fire. His mother is ill. he ___ stay at homeA.mayB.mustc.have toD.has to His mother is ill.He__ __look after her at home(has to与must to二选一 ) His mother is ill.He __lookafter her at home用must行不/ Look at the boy .He ( ) his mother.A.looks like B.is looking like henry—— be at home ;his mother is looking for him My mother is laughing at Jim,s parents are both at work.=Jim,s father is at work,----- -----his mother.also was? peter is very helpful,he always helps at home.look!his mother is setting the table,peter doesn'tplay,heissweepingthefloor. 78 Kaming is ill.Now he is___with his mother.A.at doctor's B.at the doctor'sC.at the doctors' D.at doctors' he has to help his mother at home 对help his mother at home 提问 His mother looks after his sister at home怎么提问 His mother is a teacher_7_ ChineseHis mother is a teacher__ChineseA.for B.of C.on D.at请问应该选哪个?