炎热的夏天,当你走到晒得发烫的柏油马路上时,刚巧来了辆洒水车,洒湿了路面,这时你会感到更加闷热,产生这种感觉的主要原因是( )
An accident______ on this road last week.
Japanese can hardly avoid_______ products _____in China.
Only then______ have a chance _____ an astronaut.
Paula seldom comes late for school, _______ ?
I still remember the college and the teachers ___I visited in London years ago.