Our teacher usually stays ___home ____Saturday afternoon.A.ar;in B.at;on C.in;at D.on;on应该选择哪个答案?在像Saturday afternoon这样的短语前应该用哪个借词

Our teacher usually stays ___home ____Saturday afternoon.A.ar;in B.at;on C.in;at D.on;on应该选择哪个答案?在像Saturday afternoon这样的短语前应该用哪个借词
Our teacher usually stays ___home ____Saturday afternoon.
A.ar;in B.at;on C.in;at D.on;on
应该选择哪个答案?在像Saturday afternoon这样的短语前应该用哪个借词

Our teacher usually stays ___home ____Saturday afternoon.A.ar;in B.at;on C.in;at D.on;on应该选择哪个答案?在像Saturday afternoon这样的短语前应该用哪个借词
B
在家用介词at,at home .就在上午\下午用in,但如果是说某日的上午\下午等要用on,这里是具体到周六的下午,所以用on.

A.....