A.are working | B.have been working | C.worked | D.had worked |
A.Have; read | B.Did; read | C.Have; have read | D.Did; have read |
A.have you done; finished | B.were you doing; have finished |
C.did you do; had just finished | D.were you doing; had just finished |
A.had been gone out | B.was going out |
C.was gone out | D.went out |
A.comes | B.came | C.has come | D.had come |
A.saw | B.see | C.had seen | D.have seen |
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