The engineers made two big plans for the dam, ____ was never put in force.

The suit’s finished, __________?

In that school, English is compulsory for all students, but French and Russia are ____. [ ]

Mr John, would you please speak a little more________ — Sorry ! I thought you could follow me.

ny successful businessmen believe, courage is as ______ to pioneering work as the intelligence, even more so．