I smoke out of ____ habit, not for ____ pleasure; for I have been in the habit for twenty years.
I’d appreciate _____ if you would like to teach me how to use the computer.
The government has to close those small factories to prevent the water of the river ______.
There are _____ products to be sold in the factory store. Which of the following is not correct?
He did not regret saying what he did but felt that he _____ it differently.
--Excuse me,_________? --That’s £200 altogether, sir.