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

题目

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
正确答案:D
本题考查动词时态的用法。句意应为“截止到现在,这个项目已经挽救了成千上万的本来会死去的孩子的生命。”up to now是现在完成时态的标志,所以空格处使用现在完成时态。