-- 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
---____ is Peter? --- He_____ fine.
—Hi, Lucy. Your skirt is very nice. —____
---_____ are they? --- They are Maria and Jane.
中华人民共和国的英文缩写是______.
---_____they have a car? ----Yes, they _______.