一、 选出适当的短语并用其正确形式填空。 短语: in danger, on board, break down, take off, hold up, knock down, speed up , slow down 1. When the bus finally came, we all hurried_____________________________. 2. Children’s lives are____________________ every time they cross the road. 3. They are broadening the bridge ________________________ the flow of traffic. 4. I felt quite excited as the plane ___________________ from the airport. 5. Can I borrow your car. Mine _____________________and I have to meet your aunt at the railway station before noon. 6. I could have arrived here on time, but I _____________________ in traffic. 7. The ice on the road made all the running cars __________________________ . 8. I was almost _________________recently by a cyclist riding on the pavement when there was a cycle lane right next to him.