Arriving at a bus stop ______ the vehicle pulling away just a few minutes ago is quite annoying.
—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?
The financial crisis is attacking the USA, and it is true ___ many other countries.