Three fourths of the bread _______ by Bob, and the rest of the bread _______ left on the table. [ ]

He found it increasingly difficult to read, ______ his eyesight was beginning to fail[ ]

______ we have enough evidence (证据), we can’t win the case

Only after you have reached eighteen _______thearmy.

I have two children, and _____ ofthem are working in the west of China.