A.hasn’t cleaned | B.didn’t clean | C.hasn’t been cleaned | D.wasn’t cleaned |
A.helps, helps | B.will help, helps |
C.helps, will help | D.will help, will help |
A.speak | B.will speak | C.am speaking | D.spoke |
A.will be doing | B.have done | C.will have done | D.would do |
A.could get | B.got | C.had got | D.would have got |
A.had happened | B.happened | C.has happened | D.happens |
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