1. plans have been drawn for an extension to the iss by american scientists

2. he asked me if nasa could prove that there was life on a moon of jupiter

3 how long does it take to get to red planet

4 arrived, paul had left the office

5 from taking off on time

6 what time i had got home the night before

7 not be at home now

8 sent humans to the moon since 1972

9 i am very tired because i has been working ..........

1 plans for an extension to the ISS have been drawn by American scientists
2 he asked if nasa could prove that there is life on a moon of jupiter
3 the student asked "how long does it take to get to red planet?"
4 when sarah arrived at the office, paul had already left
5 the plane was prevented to take off on time because of the heavy snow
6 my parents asked me what time i had got home the night before
7 lucy might be outside now
8 nasa hasnt sent any humans to the moon since 1972
9 she said that we were meeting tony at 8 o clock that night
10 sam said to me " i am very tired now because i was working hard for 12 hours"