There are three primary auxiliaries: “be”, “do”, and “()”.
There are three primary auxiliaries: “be”, “do”, and “()”.
A.have
B.had
C.has
D.does
正确答案:have
There are three primary auxiliaries: “be”, “do”, and “()”.
A.have
B.had
C.has
D.does
正确答案:have
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