Once ________ at a table, left-handers need to move the water glasses put on the right side to their more convenient left side.
A.seating | B.having seated | C.seated | D.seat |
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Once ________ at a table, left-handers need to move the water glasses put on the right side to their more convenient left side.
A.seating | B.having seated | C.seated | D.seat |