__________ is troubling me is __________ I don’t understand __________ he said.
A.What; that; what | B.It; that; what |
C.That; that; what | D.what; that; which |
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__________ is troubling me is __________ I don’t understand __________ he said.
A.What; that; what | B.It; that; what |
C.That; that; what | D.what; that; which |