reza_otiz
New member
- Joined
- May 3, 2012
- Member Type
- English Teacher
- Native Language
- Indonesian
- Home Country
- Indonesia
- Current Location
- Indonesia
I am confused with this structure, about comparative adjective..
1. Goddard developed the first rocket to fly faster than sound is.
2. Goddard developed the first rocket to fly faster than sound does.
3. Goddard developed the first rocket to fly faster than sound.
1. Goddard developed the first rocket to fly faster than sound is.
2. Goddard developed the first rocket to fly faster than sound does.
3. Goddard developed the first rocket to fly faster than sound.