Unit 12 Life is full of the unexpected. 第一课时 Section A (1a2d) 一、根据句意 , 选择方框中的单词并用其适当形式填空。 ring, backpack, unexpected, oversleep, lift 1 We can never know what will happen in the future , because life is _ 2 There is a camera in my _ We can take some photos. 3 Dont worry.Uncle Sam will give us a _to the train station. 4 Mary was thinking about whom to call for help when her phone suddenly _ 5 When I woke up at eight , I realized that I _ So I rushed to work without breakfast. unexpected backpack