It was never clear _____ the man hadn’t reported the accident sooner. [ ]

year, millions ofpeople visit the Palace Museum, and many of __ are foreigners　

u notice Tom was busy all day in his office—Oh, yes, he has just finished his business tour ofChicago He has a lot of work to ___

rty will be held in the garden,weather .

I always play basketball after school. I think it’s very _______.