单项选择题
A.aground B.refoat C.stranded D.hit the rock
I don’t know（）.A.when will our ship sailB.will when our...
单项选择题I don’t know（）.
A.when will our ship sail B.will when our ship sail C.when our ship will sail D.will our ship when sail
I don’t know（）there’s any shortage or not.A.ifB.howC.wh...
单项选择题I don’t know（）there’s any shortage or not.
A.if B.how C.why D.unless
I deem（）unnecessary to do so.A.itB.youC.thisD.that
单项选择题I deem（）unnecessary to do so.
A.it B.you C.this D.that
