I __________ there little more than a week when I set to work with the scientist.
Although Albert Einstein would someday be _________ famous scientist, he did not like __________ school.
—Shall we go out for a meal tonight?—__________. We haven’t been out for ages.
If you had told him the truth, he ______ so angry now.
Teaching is a difficult job ______ requires great skill and patience.
Drivers must stop when the traffic lights _____ red.