问题补充:
Every morning I get up at 6:00 because I have two dogs at the door for me to take them out for the routine walk.
A. to wait
B. wait
C. waited
D. waiting
答案:
A. to wait
B. wait
C. waited
(答案→)D. waiting
解析:句意:每天早上我六点起床,因为我让两条狗在门口等我带它们去散步。这里使用have+宾语+现在分词做宾语补足语(使某人一直做…),所以选D。