1 . what is the book about ? Dung asked

 Dung wanted to know..........................................

2  . the boy wondered "Why can't humans live on Mars?

the boy wondered.................................................

3 . peter asked his sister "Where are you going?

peter wanted to know............................................

4. what does a UFO look like ? he asked his uncle

he asked his uncle................................................

5 . will the flighr take off in a few minutes? she asked me

she asked me........................................................

6 . nam asked his teacher " Is Neptune the eighth planet in the solar system?

nam asked his teacher .........................................

7 . the spacecraft might not land on Mars successfully as they expected

the spacecraft probably..........................................

8 . no other moons in the solar system are as large as ganymede

ganymede is ..........................................................