—The train is due to leave at 7:50.—________ we fail to arrive there in time?—I'm afraid you'd better go in a hurry.
Only when the government increases affordable homes for low-income groups________.
On the chairs _________ , who had come to Dalian looking for jobs.
Not until about 2000 BC________________________done.
——Did you know any French before you arrived in Washington? ——Never ____ it, actually.
Never before ___________in greater need of technical experts than it is today.