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(改错,每个句子只有一处错误,请指出并改正)I (started)(A) (learn)(B) English when I (was)(C) five years old. ______.
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(改错,每个句子只有一处错误,请指出并改正)I (started)(A) (learn)(B) English when I (was)(C) five years old. ______.