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用所给词的适当形式填空
My watch doesn’t work. It needs to ____ .Who ____ away my pen? I can’t find it.Lucy said she____ the primary school the next month. It’s correct____ strangers come into your house. It’s ____ to join a charity walk than to play computer games.
一名来自澳大利亚的小朋友惊叹,哈尔滨的圣诞节是白色的!因为在圣诞节这天,哈尔滨飘起了美丽的雪花。他会这么惊讶的原因是( )