--- How far can you run without stopping ? --- ______________ . I’ve never tried.
Apart from the blood that belonged to the three people, the detectives found only_______clue.
The Changbaishan Mountains have a huge variety of scenery, some of the best of__________can only be reached on foot.
What a pity! The car ran out of sight before I could_________its number.
Canada is one of the safest and most welcoming countries you will___________visit.
-If you like, I can do some shopping for you. -That’s a very king_______.