A. He is worried about the wastewater recycling.
B. He is worried about the price of the tiny engines.
C. He is worried about people in areas lacking water.
D. He is worried about the pollutants in wastewater.
Conversation TwoQuestions 8 to 10 are based on the conversation you have just he
Short conversation3:What is the man supposed to do now according to the conversa
Long conversation 2Questions 12 to 15 are based on the conversation you have jus
At the end of the conversation, some questions will be asked. Both the conversat
After the conversation, there are some recorded questions. Both the conversation
At the end of the conversation, you will hear some questions. Both the conversat
At the end of each conversation, some questions will be asked. Both the conversa
Conversation 1A. The goods were lost.B. The delivery will be delayed.C. They hav
Conversation TwoConversation TwoA. To inquire about switching majors. B. To
At the end of each conversation, you will hear four questions. Both the conversa