If It had been possible, I would have helped him, but I ______ too busy the.
I prefer to buy a new TV rather than ________ it.
He doesn't know_________ the work by himself.
Oh, boy, why are you killing your time this way? Can’t you find something ________ doing?
—Which of the two pens are you going to buy?—I’ll buy _____of them, so I can give one to my friend.
You made the same mistake for third time, dropping_____“u” in the word “unusual”.