1.—You were_supposed_(suppose) to have finished your composition.
—I had meant to, but before I could, the bell rang and we had to hand in our test papers.
2.He was driving home on the highway last night when a policeman stopped him and accused him of speeding.
3.The treatment will continue until the patient reaches the point where he can walk properly and safely.
4.My colleague demanded that I (should)_return (return) the books I borrowed from him.
5.Although he had_been_keeping (keep) on working hard, he didn't finish that task on time.
6.Ms. Jones is a talented and experienced engineer, so she was_appointed (appoint) head of the department.
7.Having studied in Spain for four years, my sister Nancy acquired (acquire) a good knowledge of Spanish.