—The dictionary is a useful _______ for understanding new words.—I think so.A. plan B. tool C. way
Before you start this task, you ________ realize its importance of doing it.
To save water, the parents told their children ________ their teeth under a running tap.
Mr. Lee spent the final time of his life in writing after finding out that he ________ soon.
Father was very angry because his favorite glass ________ by his pet dog.
.The school meeting ________ once every two weeks in the concert hall.