Ⅰ. Choose the proper words from the box and complete the sentences.
从方框中选择恰当的单词，完成下列句子。每空一词，每词只用一次。

1. I was late for school this morning because I .
2. Oh! Where is my ? My books and pens are in it. I need them now!
3. By the time I got up, my mother had cooked breakfast.
4. I couldn't find my keys when I got to my office. I realized I had them at home.
5. By the time he arrived at the bus station, his friend had on the bus.

Ⅰ . 1. overslept 2. backpack 3. already 4. left 5. gotten

Ⅱ. Look at the pictures of 1a and answer the questions. 看 1a 图片，回答下列问题。
1. Did Mary get up early in picture 1?
2. Could she use the shower in picture 2?
3. Did she catch the bus in picture 4?
4. Did she take her backpack with her to the school in picture 5?
5. Where was her backpack?

Ⅱ . 1. No, she didn’t. She overslept. 2. No, she couldn’t. 3. No, she didn’t. 4. No, she didn’t. 5. Her backpack was at home. / She left it at home.

Ⅲ. Read the tapescript of 1b and complete the passage.
阅读 1b 的听力录音材料，完成下面短文。每空一词。
Mary had a bad morning. First of all, she . By the time she got up, her brother had already in the shower. By the time she went outside, the bus already . So she all the way to school. But when she got to school, she she had her backpack at home!

III. overslept, gotten, had, left, ran, realized, left