單項選擇題We’ll()some necessary measures to raise the working efficiency.

A.give
B.make
C.take
D.use


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1.單項選擇題When and where()your registy certificate issued?

A.is
B.are
C.was
D.were

2.單項選擇題When vessel enters thick fog, she should sound()every two minutes in accordance with the rules.

A.one short blast
B.one prolonged blast
C.two short blasts