单选题The old couple’s son&nbsp

问题补充：

单选题Theoldcouple’ssonreally_____withtheotherstudentsinthenewclass,astheyexpected.A.went onB.called inC.settled inD.fitted in

答案：

D解析fit in with sb意思为“与某人相融合；与某人相处得好”，相当于get on/along well with sb。