Ernawati is at the store. She is talking to Mr. Arif, the shop assistant. Mr. Arif : "Good morning. Can I help you?" Ernawati : "Good morning. I am looking for..ehmm..." Mr. Arif : "What are you looking for?" Ernawati : "I'm sorry. My mom asks me to buy it but I forget the name. " Mr. Arif : "Can you describe it?" Ernawati : "It is a piece of equipment. It is small. It is made of plastics. It has a hole." Mr. Arif : "Is it a pipe?" Ernawati : "No, it isn't. It is used to control the flow of water." Mr. Arif : "Is it a tap?" Ernawati : "Yes, it is a tap." Mr. Arif : "What colour do you want?" Ernawati : "One blue and two green, please." Mr. Arif : "Here you are." Ernawati : "How much is one tap?" Mr. Arif : "It is Rp. 10.000,00 each." Ernawati : "Here is the money. Thank you." Mr. Arif : "You're welcome." 17. What does Ernawati want to buy? A. Taps. B. Water. C. Plastics. D. A pipe. 18. How many pieces of the equipment does Ernawati buy? A. Three. B. Four. C. One. D. Two.