Millie对课文里的词汇还没掌握，你能帮她完成下列句子吗？

1．She often ________ of the room being too small for her．

2．He ________ two houses in Nanjing．

3．We started early ________ arrive before dark．

4．These machines ________ in their factory．

5．We spent the day ________ around on the river．