1. It is s__________ to cross the road when the traffic light is green.
2. My sister can speak J__________ very well. She has lived in Japan for three years.
3. A year has four seasons: they are s__________, summer, autumn and winter.
4. We were late__________(仅仅)because of the rain.
5. A__________(狐狸)is a smart animal.
答案: 1. safe 2. Japanese 3. spring 4. simply 5. fox
