My friend isn't in her office.She's __________.A.on a holiday B.o_其他解答

My friend isn't in her office.She's __________.
A.on a holiday B.on holiday C.in holiday D.in holidays

人气：362 ℃　时间：2019-11-11 19:10:55

解答

选B
on holiday 是固定词组,意为“在度假”