I can hardly imagine Peter ________ across the Atlantic Ocean in five days.

A．sail              B．to sail             C．sailing            D．to have sailed

I can hardly imagine Peter ______across the Atlantic Ocean in five days.

173. I can hardly imagine Peter _______ across the Atlantic Ocean in five days.

I can hardly imagine Peter ________ across the Atlantic Ocean in five days.

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I can hardly imagine Peter ________ across the Atlantic Ocean in five days.

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