Tonny’s parents thought he was at school, but ______ he was in an Internet bar.

As soon as his teacher begins lecturing, he begins to doze off, not intentionally but _______.

Susan advised me not to buy the vase, but I bought it _____.

He has made        progress that we all praise him．

I sincerely regret that I have hurt your feelings, but I didn’t do it ______.