How many English words you by the end of last year?A have; learned B has ; learned C had ; learned D had ; learn

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HowmanyEnglishwordsyoubytheendoflastyear?Ahave;learnedBhas;learnedChad;learnedDhad;learnHowmanyEngli

How many English words you by the end of last year?A have; learned B has ; learned C had ; learned D had ; learn
How many English words you by the end of last year?
A have; learned B has ; learned C had ; learned D had ; learn

How many English words you by the end of last year?A have; learned B has ; learned C had ; learned D had ; learn
选择C
last year 是过去的时间,所以助动词是had
而By the end of是完成时的标志,表示事情发生并持续有影响
所以答案是Had learned

同意楼上的:)
BY + 表过去的时间 用过去完成时

C had ; learned

C
By the end of是完成时的标志

C bt the end of last year是过去完成时的标志

在英语中:
by+过去意义的时间要用——过去完成时
by+将来意义的时间要用——将来时
因此要选C