—Excuse me, sir, smoking _________ in the gas station.— Oh, I’m really sorry.
My toy train is red, so this blue one must be _________.
The school ______poor children _____ stationery the next day.
_________ you able to cook meals ___________?
The number of the giant pandas in China is getting _________, but the red-crowned cranes are ___________.
Daniel found ___ easy to finish writing the report on wildlife.