—He must be busy doing his homework right now.—I imagine____.
It was not what he said but the way he said it ________ hurt his son deeply.
—May I open the window to let in some fresh air?—
--- Do you mind my opening the window? It’s a bit hot. ---- ________, as a matter of fact.
I knew we would be friends ____ I met you on campus.
Which do you enjoy ____ your spare time, surfing the Internet or building up your strength?