Please( )this key to your sister.She is at school 填A biing B

Please( )this key to your sister.She is at school 填A biing B Please____these books to your sister.She is at school.A find my sister is at school； please go to pick【】up. Lucy is at Zhao Jie's home.Please take this key to()括号中该填什么 where is your sister?she is( ) A.in home B.at home C.in the This is the key ____ the door.A.to B.of C.at D.in This is the key ____the classroom.A.to B of C at D in Is this girl your sister.怎么回答. A Yes,itis. B Yes,she is. _____does your sister go to school?_____seven.A、What；At.B、Wh Paul,is your mother in —Sorry.she is not___.A at school B at Is that your key? _____ .This is my key . A. No B .Yes C. OK Please these things to your brother. He is at school A. brin