The factory has _____ workers due to the drop in sales, which will lead to an increase in unemployment. 

(2014·临沂市3月质量检测)When I first got this horse，she was not going to accept any________from me.

We were cut off from the outside world by the sudden flood; what’s worse, our food _______.

It was from John, ____ gave me a big key to _____ my dad.

 I ________ use a clock to wake me up because at six o'clock each morning the train comes by my house.(2012·新课标全国)