1) According to airline regulations, travelers __________ (apply) for a passport at least six weeks in advance. a) must apply b) need to apply 2) Our flight is almost full. We __________ (book) our flights soon, or we might not get seats. a) don't have to book b) have to book 3) If you’re visiting Canada for less than six months, you __________ (carry) a visa. It isn’t required. a) don’t have to carry b) must carry 4) Before boarding the plane, everyone __________ (show) their ID. It’s part of airport security a) must show b) need to show 5) Our flight leaves at 6:00 AM, so we __________ (wake up) early tomorrow to catch it. a) must wake up b) need to wake up 6) The weather at our destination is hot and sunny. He __________ (bring) a jacket. a) must bring b) doesn’t have to bring

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