某人拟在5年后获得本利和10000元，假设年投资报酬率为10%，他现在应投入多少元？
参考答案：
近体诗包括（）
A、律诗
B、绝句
C、都是
D、都不是
—Your father's back home now, _____ he?
—Yes, he _____ been at home for half an hour. [ ]
A. isn't, has
B. hasn't, has
C. hasn't, is
D. isn't, is
