—Must I hand in the weather report this morning?--No, you__.A. mustn't B. needn't C. may not
The pen is ______ . She wrote _______ name with it ________.
Last week, Sam wrote to _____________ boy to tell his life in the middle school.
Tom ___________ his leg yesterday, so he ________ stay at home today.
_________ brave children they are!
In summer, we must sleep with our windows __________ because of the hot weather.