why do you always get high marks in the experiment test? Because so far,the experimrnts( ) againand again by meAwill be made B are made C have been made D were made

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why do you always get high marks in the experiment test? Because so far,the experimrnts( ) againand again by meAwill be made B are made C have been made D were made

why do you always get high marks in the experiment test? Because so far,the experimrnts( ) againand again by meAwill be made B are made C have been made D were made
why do you always get high marks in the experiment test? Because so far,the experimrnts( ) again
and again by me
Awill be made B are made C have been made D were made

why do you always get high marks in the experiment test? Because so far,the experimrnts( ) againand again by meAwill be made B are made C have been made D were made
C have been made 过去完成时 加被动语态

C
对现在产生影响用完成时

答案选 C have been made
句中有 时间状语 so far
句子用现在完成时

Key: C so far 与现在完成时连用。