33.----How long have you been in this office?
----Just a few minutes. My cousins_______here together with me.
A.have walked | B.had walked | C.walked | D.have been walking |
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33.----How long have you been in this office?
----Just a few minutes. My cousins_______here together with me.
A.have walked | B.had walked | C.walked | D.have been walking |