问题
When the old man ____ to walk back to his house, the sun ____ itself behind the mountain. [ ]
A: started; had already hidden
B: had started; had already hidden
C: had started; was hiding
D: was starting; hid
B: had started; had already hidden
C: had started; was hiding
D: was starting; hid
正确答案是：
同类题型
Don’t believe him. He is good at_________ all kinds of excuses.
know when the World Cup ________next week— Next Friday. When it ________, Iwill ring you.
I have ________. That makes me ________.
have enough to ________all your daily expenses ——–Oh yes,enough and to spare
Don’t worry. His temperature will ______ back to normal（正常）if he takes this medicine.