-- Could I invite my friends to my birthday party?   -- Sorry, you _________.

－Is that Mary?－No, it _______be her. She has gone to Tokyo. 

She was greatly shocked at the scene before her eyes. Never did she expect that the local conditions ______ be so awful.

—Could you help me write the annoying composition? —No! As a student, you _____ do it by yourself.

Two weeks ago, I bought a bicycle. If you live in town, it is often faster than a car and you           worry about parking.