A.has | B.have | C.are | D.is |
A.What; is | B.What; are | C.How much; is | D.How much; are |
A.didn’t; must have been playing | B.didn’t; must be playing |
C.couldn’t; must have played | D.couldn’t; must be playing |
A.know | B.knows | C.is knowing | D.are knowing |
A.show; progress | B.shows; progress | C.show; progresses | D.shows; progresses |
A.is | B.are | C.have | D.Has |
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