---- ____________ he has known the good news. ---- ______ is no wonder he is so excited.
He is very popular among his students as he always tries to make them ____ in his lectures.
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 ___.