There are many places of interest in China and it has many beautiful cities. Sovisitors co

问题补充：

There are many places of interest in China and it has many beautiful cities. Sovisitors come here every year. In winter, about visitors come to the north of China to feel the taste of the ice and snow.

A. millions of, ten thousands

B. millions of ,ten thousand

C. ten million, millions of

答案：

解析：英语中数词表示概数时，后面加s，和介词of搭配使用。用原形时表示具体数字和数词搭配使用。句意：在中国有许多有趣的地方，并且有许多美丽的城市。因此无数的游客每年来这儿。在冬季大约一万游客来中国的北方。结合语境可知前文表示概数，下文表示具体数字。选B。