Thomas _____ a soldier, for he is much too short.

 -Must I do my homework now?     -No, you _    _. You may have a rest.

— I want someone to write the composition for me. 　— No! It’s a rule in our school that as a student, you _______ depend on yourself. 

(2013·江苏南通市二模)We ________ have hurried all the way to the airport — the flight was called off because of the foggy weather.

—Have you decided where to spend your summer holiday?—Not yet. We ___ go to Hong Kong.