用方框内所给词或短语的适当形式填空 |
1. Last Monday he was walking along the street. Just then a traffic accident ________. 2. Don't ________ the car before it stops. 3. When she saw an alien sitting in the UFO, she ________. 4. When the storm began, I ________. 5. My mother ________ when the alien went into her shop. |