Choose the word /phrase (A, B, or C ) that best fits the blank space in each sentence.
1. The house door ____ open at night.
2. The car which ____ by the thieves ____ yesterday by a 10 - year - old child.
3. Don't touch that cable while it _______.
4. The medicine ____ at a high place where the children can’t reach.
5. English ____ at state schools as a compulsory lesson for many years.
