【题目】—I wonder if you could go with me to the cinema.
— Don’t disturb me. I ______ a composition all the morning and haven’t finished it yet.
A. write B. was writing
C. have written D. have been writing
在线课程【答案】D
【解析】
试题分析：考查时态。现在完成进行时表示从过去某一时间开始做某事该动作一直持续到现在。句意：不要干扰我，整个早晨我都在写作文，还没写完呢。故选D。