The （） is made up of have / has been -ing participle.
A.simple present
B.present perfective
C.present progressive
D.present perfective progressive
正确答案：present perfective progressive
The （） is made up of havehas been + -ing participle.
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The “（）” use of the present perfective denotes that an action or state extends over a period lasting up to the present moment, p
English verbs have （） tense(s).
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