Since it will take years to know the effect of genetically modified food, it’s more sensible to give it a second thought before we eat it, it?
In the past, ice used to ______ used to ______ the air in a room.
The old man’s _______ pity on the snake led to his own death.
________ many times, but he still could not understand it.
Faced with a bill for $ 10,000,_________.
-----My room gets very cold at night. -----_________________.