Uncle Wang is_____ the barber’s at the moment, so you have to talk to him _____ the phone.
A.in; in | B.at; on | C.on; at | D.at; at |
Uncle Wang is_____ the barber’s at the moment, so you have to talk to him _____ the phone.
A.in; in | B.at; on | C.on; at | D.at; at |