Please excuse me _______ your letter by mistake.
According to the report, the American government didn’t intend to have its troops____of war zone.
Only when he returned _________ that the war had ended and the army had come back.
--- Could you introduce me a high quality car?--- My pleasure. _______ well even on wet roads, this kind of car is very popular.
May 12th,2008 is a special day,________, I think,that will be remembered by the Chinese forever.
I ______ him in time, otherwise he would have fallen off the bike.