A.think | B.thought | C.have thought | D.am thinking |
A.didn’t recognize | B.don’t recognize | C.haven’t recognize | D.won’t recognize |
A.is running out | B.are running out | C.is being run out of | D.are being run out of |
A.are you borrowing | B.have you been borrowing |
C.have you borrowed | D.did you borrow |
A.would compete | B.is competing |
C.has been competing | D.is being competed |
A.have worked | B.had worked |
C.have been working | D.had been working |
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