【单选题】 In the (nineteenth) century, people (lived) in the northern area grew (their) crops on river (bottom lands).
A．nineteenth
B．lived
C．their
D．bottom lands
网考网参考答案：B
网考网解析：
应改为living 。现在分词形式living in the northern area在该句中作people的定语，相当于poople who lived in the northern area。
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