How can you blame others? It was your carelessness that _______ the loss of the company.
______ a piece of ice outside in such hot weather, and you’ll soon find it melt.
______ it is to listen to music when you are free.
—What are you going to do this weekend?—_______. If time permits, I may go to Shanghai with my friends.
I hope there are enough glasses for each guest to have ______.
Professor Smith, along with his assistants, _____ on the project day and night to meet the deadline.