A lot of people find it useful to have a phrasebook when they travel to a country _____they don’t know the language.
I’m afraid that the thread will break _____ it’s the weakest.
---We are late because we took _______ wrong road. ---You should be careful ______ next time.
It’s important to give her an emergency phone number ______ the children get hurt or sick.
China won 32 gold medals in the 2004 Olympic Games, _____ second among all the competing countries.
---What kind of film do you like best, John? ---Films with happy _________.