题目

I _____ on a sofa because my grandparents have come for the weekend.   A. slept    B. was sleeping    C. have slept    D. am sleeping 答案:D 解析: 从题干中my grandparents have come for the weekend判断主句应用现在的时态,而且我只是因为祖父母来度周末临时睡沙发,所以选D,现在进行时表示临时性的动作。
英语 试题推荐