There was a ________ expression on his face.Maybe he had finished his work successfully.
When the headmaster spoke out his plan, the _____of the students in the class ____ against it.
______ by many well-known experts and film stars, the product was very popular at one time.
We had intended to do everything according to the schedule, but it didn’t ______ as planned.
Some people are sitting on the grass; others are walking along the lake, ______ .
Over years, scientists have made a great _____in the treatment of cancer.