—Why didn’t you come to Simon’s party last night?—I wanted to, but my mom simply _____ not let me out so late at night.

— I’ve prepared all kinds of food for the picnic.—Do you mean we_____ bring anything with us?

--Is Professer Smith giving the speech today?--It ________ be him. He is abroad right now.

According to the rules and regulations, all payments ________ be made in cash in the shopping center.

 ---Must I answer it in English?---No, you _______. You can use Chinese.