B. Study the following sentences. Underline the prepositional phrase in each sentence. 1. The old woman drives away the flies around the table. 2.She watched the food until her children and grandchildren arrived.3. While waiting, she heard the screech of the car from the garage.4. The children happily got out of the car. 5.It was about seven o' clock in the evening when they started eating. 6.Her son told the family that they saw a beggar along the road. 7.The children told grandmother that they gave all the food at the back of the car to the beggar.​