Not until ___ to do my homework ____ how much time I had wasted playing computer games. [ ]

_______ necessary for us _______ English well.

Where did you get this book—I picked it up from a second-hand bookshop if you______ know.

The dictionary doesn’t belong to your brother ____, but it belongs to me

________ on-going division between English-speakingCanadians and French-speaking Canadians is _______ major concern of thecountry.