题目内容
Twenty boats left Tianjin, for the east at high speed.
A.to set sail | B.to set sails | C.setting sail | D.setting sails |
C
解析

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题目内容
Twenty boats left Tianjin, for the east at high speed.
A.to set sail | B.to set sails | C.setting sail | D.setting sails |
C
解析