.—Would you have told him the answer had it been possible? .—I would have, but I _____ so busy then.

“I still haven’t thanked Aunt Lucy for her present.” “It’s time you _____.”

I used to spend a lot of time ________ computer games.

To be good at the game you need a reasonable level of _____.—That’s true. Practice alone cannot make you a master of it.

It was not until yesterday _____ I realized how important English was.[ ]