他们来检查整个房子的潮湿的证迹。
他一直在拜访人们的家，并称其是来检查他们所有的电器是否安全。
He is been calling at people's homes, saying he's come to check that all their appliances are safe.
他一直在拜访人们的家，并称自己是来检查他们所有的电器是否安全。
He has been calling at people's homes, saying he's come to check that all their appliances are safe.
应用推荐