_____ a house five years ago, I would live a much easier life now. [ ]

He has been working hard day and night, which, of course,his tiredness.

I ___ not speak English in public, I ____ to do more speaking from now on.

Sorry, Tom. I took your book_______ mineby mistake.— It doesn’t matter. Yours looks _______mine.

I did very poorly in last week’s test.— _________. Look at your paper. You got a good mark.