Either you or he _________ to be invited to the party.
—The research on the new flu virus vaccine is challenging and demanding. Who do you think can do the job?—________ my students have a try?
I ________ him in time, otherwise he would have fallen off the bike.
The project was carefully planned, or a great deal of money ________.
—How dangerous it was!—Yes, but for the passerby's quick action, the girl ________.
Martin hasn't got in touch with me for ages. He ________ my new cell phone number.