There isn’t going to be a volleyball match next week, __________?
I'm afraid I'm not ___ to help with the show, for I am fully occupied with my own project
—Should I lock the lab before I go home? —__.I'll check it myself later.
Thanks to our ___ schedule, we got our task accomplished ahead of time.
—Have you heard that he was admitted into Beijing University? —Is that true? And I'm glad that his efforts at last ___.
With the rapid development of medical science, we ___ more new drugs used in the treatment of cancer.