The patient’s dangerous condition ____the doctors and nurses many a sleepless night.

If you don’t go to the concert this weekend, ________.

Good morning. I’ve got an appointment with Miss Smith in the Personnel Department. — Ah, good morning. You _____be Mrs. Peters. [ ]

The man has little education but he has a lot of _____ experience.

________there are a large number of chemical factories, the air is likely to be polluted.