_____ twice a year, whether it is a car or a bus, is a rule that every driver must obey in this city.
The doctor recommended he a few more days in hospital.
This evening desert exploration includes exciting drive, camle ride and Arabic food and music.
--- Where was the park that the author described in his latest book? ---___ was near the zoo ___ we took many photos last month.
.---Why did he___ that the man we met on the bridge was his father? ---God knows!
.We were informed that the woods behind our apartment building would be removed to___ a swimming pool for the residents.