题目内容
In 1974, Yuan Longping became the first agricultural pioneer in the world _______ rice that has a high output.
A. to grow B. growing C. having grown D. to be grown
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题目内容
In 1974, Yuan Longping became the first agricultural pioneer in the world _______ rice that has a high output.
A. to grow B. growing C. having grown D. to be grown
|
|