Look at the cartoon picture and answer the questions

Look at the cartoon picture and answer the questions
What have the scientists just heard?（message from spacecraft）
They’ve just beard a message fro a spacecraft.
1.Where has it landed?（Mars）
2.What has it discovered?（people）
3.Why hacen't they sent us a message?(can't hear us)
4.Why haven't they visited us on Earth?(prefer life on Mars)
5.What have they made with the other spacecraft?(TVs,radiso,cars)
句型转换

1.It has landed on Mars.
2.It has discovered people.
3.They can't hear us.
4.Bcause they prefer life on Mars.
5.They have made TVs,radios and cars with the other spacecraft.