-How much sugar did you put in my coffee? It tastes so bitter.-I'm sorry to say that there's ______left. I've forgotten to buy _____on my way home.
He left in such a hurry that I _____ had time to thank him.
There are usually at least two _____ of looking at every question.
It is not profitable to provide bus services in districts where the population is widely _____.
He _____ the place where he had been bitten by an insect.
Trains stop here in order to _____ passengers only.