选择题：Up to now, the program ________ thousands of children who would otherwise have d

题目内容：

Up to now, the program ________ thousands of children who would otherwise have died.

A. would save

B. saves

C. had saved

D. has saved

参考答案：

She stared at the painting, wondering where she ______it.

She stared at the painting, wondering where she ______it.A. saw B. has seen C. sees D. had seen

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山麓景观分别为温带荒漠和亚热带常绿阔叶林的是A．①和②B．①和③C．②和④D．③和④

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请认真阅读下面各题，从题中所给的A、 B、 C 、D 、四个选项中，选出最佳选项，21. The population of Jiangsu __ to more than twice what it

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（2）说明海峡西岸的海岸带开发利用方式及有利条件。（8分）

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