—I could have arrived much earlier, but I ____ in the traffic.—What a pity![ ]

_______sending emails, I’ve kept in touch with my American friend for many years.[ ]

________ all my family, I sincerely thank you for what you have done for us.

If you go to the post office，would you please get me a stamp？　　 —I am ______ willing to.

sidents, _______ had been damaged by theearthquake, were given help by the Red Cross