问题
选择题
— What were you up to when your parents came in?
— I＿＿for a while and＿＿some reading.
A．was playing； was going to do
B．played； did
C．had played； was going to do
D．had played； did
答案
答案：C
play 在came in 之前已完成，而do some reading 的动作则即将开始。