Is Mrs.Smith in?—I’m afraid she isn’t．Would you like to ________ a message?

The students study _____ school _____ Monday to Friday. [ ]

Listen! Marry is singing in the next room. — It __ ___ be Marry. She has gone home.

The work is really very difficult; _________ it’s very interesting.[ ]

Mr. Wang is very friendly, and ______ like him very much.