Section A Directions:In this section there are two incomplete dialogues and each dialogue has three ...

Section A
Directions:In this section there are two incomplete dialogues and each dialogue has three blanks and three choices A, B and C, taken from the dialogue. Fill in each of the blanks with one of the choices to complete the dialogue and mark your answer on the Answer Sheet.
Dialogue Two
M: Do you like to travel?
W: Oh yes，I love going to new and interesting places.
M: What do you think of the idea of a one-way trip to Mars?
W:[4]
M: Well, this is what is being planned at the moment by a company in the Netherlands. They are planning to send people to Mars and the people who go would never be able to come back to Earth.
W:[5]
M: What is interesting about it is that this would be a one-way trip.
W: Why is this a one-way trip?
M: [6] Although we do have the knowledge and technology to get people to Mars，we can't get them back.