—What are you doing, John? Why stop?—To be on the safe side, we’d fill up the car now for we _______ run out of gas on the way．

—Have you decided where to spend your summer holiday?—Not yet. We _________ go to Qingdao.

— Lisa hasn't lived here for long. She _____ know many people.

All the doctors in the hospital insisted that he________ badly wounded and that he ______at once.

 He did not regret saying what he did but felt that he ________ it differently.