Lost in the mountains for three days, what the three men were able to do was the help of helicopters.
-We’re going camping this afternoon. --Enjoy yourselves! Take a map with you you get lost in the forest.
How much bread is there?-_____________.
Only when it is hungry ______ a human being.
Only _______ as an interpreter _______ how important it is to grasp English.
The physics teacher once said that we first _____the lightning followed by thunders because light ______ faster than sound.