President Hu Jintao urged that every effort     to rescue and treat the injured when the earthquake happened in Sichuan this year．

 What a pity! If I had known Tom earlier, I ________ him to the party.

--- Fancy meeting you here!--- Pleased to see you. If they ________ me to the party, I ________ be here.

Many of us have a strange sense that we do remember feeling as if we _________in a dream, but can’t quite recall the details.

—What does the sign over there read?—"No person_______ smoke or carry a lighted cigarette, cigar or pipe in this area．"