A.he passing | B.his pass | C.him pass | D.his passing |
A.to write | B.writing | C.write | D.written |
A.to heat | B.to be heated | C.being hot | D.heated |
A.to buy, to sell | B.to buy, selling | C.buying, selling | D.buying, to sell |
A.sung | B.singing | C.sing | D.to sing |
A.to speak, speaking | B.speaking, spoken | C.spoken, spoken | D.spoken, speaking |
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