填空题

Now I（）(come) to know that without hardworking, one can never earn good money.

【参考答案】

have come

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热门试题

单项选择题

While other animals use a limited range of sounds or signals to communicate, humans have developed complex systems of language in order（）

A．to hunt animals
B．to find food
C．to communicate
D．to show the feature of every human society or culture

单项选择题

In the economies of socialist or Communist countries, governments play a strong role in EXCEPT（）

A．deciding the amounts of goods and services
B．deciding the right to own, use, buy, sell, or give away property.
C．deciding the price of commodities
D．deciding the methods of distributing goods