-- Mum, must I stay there the whole day?-- No, you ______ . You ______ come back after lunch, if you like.A. mustn't; canB. needn't; mustC. needn't; may
—Linda, you are good at swimming. Who taught you ______? —Nobody. I taught _______.
—What is your hobby? —I ________ collecting stamps, but now I love reading.
— How much did the new watch your sister? — She 350 yuan for it.
______ beautiful music!
—What time shall we meet tomorrow morning, Kate? —Let’s ______ nine thirty.