问题
选择题
I ________ on a sofa because my grandparents have been here to spend the weekend.
A．slept
B．was sleeping
C．have slept
D．am sleeping
答案
答案：D
题目分析：句意：我现在在沙发上睡觉，因为我祖父母一直在这儿度周末。从because my grandparents have been here to spend the weekend.可知是现阶段正在做…，或暂时做…，用现在进行时，所以选D。