4. The bus --------- more passengers at the bus stop.
举一反三
- _______ the bus driver, all the passengers are saved. The driver managed to stop the bus before he died.
- They are waiting ___ a bus ___ the bus stop.
- An old bus ground to a halt at the bus stop.
- The bus had gone when I at the bus stop.
- The last bus ____just ____(leave) when they ____(get) to the bus stop.