The student told me that he _______ the exam _______

I hear a number of workers in the factory______out of work.—Yes, and the number_____ quite huge.[ ]

the unreasonable individual income _______, the gap between the rich and poor has become an outstanding issue.

Smallpox, a kind of disease, has now died ________

It was Feb 8 2014 （Beijing） ___the opening ceremonies of the 2014 Winter Olympics ___ in Russia．