I don’t think I will win a lottery (彩票) of 5,000,000 dollars in all my life —Well, ______ Everything can happen

The elephant can eat plants a day.

_____ the population of China? — About 13 billion

下列加点字意义和用法相同的一组是（ ）

Hey, Ben. Why didn’t you go to Eric’s birthday party—I had to the final-term exams.