题目内容
Chinese immigrants began _______ to the United States in large numbers in the middle of the nineteenth century.
[ ]
A. coming B. to come C. to have come D. have come
答案:A
解析:
提示:
解析:
|
顺便了解一些美国历史知识。 |
提示:
|
测试动词+ing形式。 |
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