题目

--- I hear you _______ at Smith’s. --- Yes, I________there for about three months. A．work; had been working   B．worked; was working C．are working; have been working  D．worked; have worked   答案：C  考查动词时态。句意：---我听说你在史密斯那里工作。---是的，我一直在那里工作了3个月。根据句意选C。  12．Which country does Mr．Smith come from？A．England．B．Canada．C．America．