If those wild animals can’t find enough food, they ______ (die)or have to leave their habitat soon．

单项选择题People like his books because the books ______.

填空题was→is

填空题The Great Wall as well as the Palace Museum ______ (attract)lots of tourists from abroad every year.

单项选择题Jill easily found work because ______.

单项选择题When did the story begin ( )