1．I ________ to help you to do homework but I couldn't spare any time.I ________ a composition last night and I'll finish it today.
A．wanted；wrote
B．had wanted；was writing
C．have wanted；wrote
D．wanted；have been writing
【答案】B 【解析】第一空：had wanted表“原打算……”。第二空：用过去进行时表过去特定时间里一直持续的动作。
2．—I've been told that John ________ from his journey to America.What about visiting him tonight?
—All right.I'll call for you at 6：00 p．m..
A．had come back B．is back
C．came back D．come back
