Tony wasn't at home yesterday .he might beTony wasn't at home yesterday .he might be … his dentist appointment.be 后面应用in、at 、for、with中那一个?、

问题描述:

Tony wasn't at home yesterday .he might be
Tony wasn't at home yesterday .he might be … his dentist appointment.be 后面应用in、at 、for、with中那一个?

at
满意请采纳

for ,他应该是去看牙医了.
be动词 + for 可以表达去干什么,要干什么的意思.