As you approach Old River Control Structure Light you see a flashing amber light. You should（）.
举一反三
- As you approach Giles Bend Cutoff Light (mile 367.7 LDB)，what type of daymark would you see on the light structure?（）
- If it is green light you can ,the red light you should .( ) A: go ;stop B: stop ;stop C: stop,go D: go;go
- When you leave the room,you must___. A: turn on the light B: to turn on the light C: turn off the light D: to turn off the light
- ---- ( ) I trouble you for a light? ----- You ( ), indeed.
- It works like a _______. Once you get in the _______, and you get the light pushing on a _______ with a very light spacecraft, you actually can use that to push you just like _______.