问题
选择题
When she _____ the newspaper, the baby _____ asleep．
A．read; fell
B．was reading; was falling
C．read; was falling
D．was reading; fell
答案
答案：D
题目分析：句意：她读报的时候，婴儿睡着了。前一空强调动作正在进行，该用进行时态，后一空强调动作已经完成，该用一般过去时。所以选D。