题目

Tom _____ in the library every night over the last three month.（  ） A. works       B. worked      C. has been working      D. had been working    答案：C  目前我国的两个特别行政区是（ ）A．香港和澳门 B．台湾和香港 C．台湾和澳门 D．香港和深圳