Johnson was______unknown before running for the presidency.A.visiblyB.visuallyC.vertically

It was not long _______ I forgot it all.A、thenB、whenC、afterD、before

The deal ______ before it was signed and sealed, even after the Letter of Intent was drawn

It was known to us all that Johnson had broken his promise______he would give each of us a

Before it was dark, the sinking boat was______.A．unloadedB．explodedC．abandonedD．destroyed

Rather ________ by the party he left half an hour before it was ended.

His compass proved___to him when he was lost in an unknown country.