Используйте правильную будущую пассивную форму глаголов в поле.
Send . Examine .Not answer.
Bring . Find
1.The planet Mars .....during the next few years. 2.Special robot vehicles ......to investigate the planet's surface . 3.It is possible that rocks and dust from Mars ......back to Earth when the vehicles return. 4.These rocks .....to find out if it is possible to live on Mars . 5.The questions about the Red Planet.......for a very long time