—Ruby, when did your father go out?
—I’m not sure, but he ______ go too far. His tea is still hot.
can’t
must
might
— ____ is the dictionary? —It’s $22.95
—May I speak to the headmaster? —He ____ a meeting now. Can I take a message?
I work hard this term, but Peter works much ____.
—Mum, must I wash the dishes right now? —No, you ____.
—Where were you last Saturday? —I ____ in the Capital Museum.