It’s necessary for you to _____ at least an hour each day to learn the new vocabulary.
Never are we allowed to pursue our economic development______ destroying the environment.
The war and sufferings it caused by the war seventy years ago are the old woman’s ______memories, which can never be forgotten.
When he kept silent, Mr Johnson ______ his approval for our plan.
Digital teaching has ______ our way of learning and excited us to focus in class.
—What did Jack demand at the meeting just now? —______ a chance to join the Debating Club.