In a previous design, the weight of the discus, used in track competition is concentrated in a metal center, but now it is lined with lead around he perimeter, thereby improving stability in flight and resulting in longer throws.
1. Same as above
2. According to a previous design, the weight of the discus used in track competition is concentrated in a metal center, but now it is
3. Once designed with its weight concentrated in a metal center, the discus used in track competition is now
4. The discus used in track competition, once designed with its weight concentrated in a metal center, but now
5. The discus used in track competition was once designed having its weight concentrated in a metal center and now
Note-The answer here is 3. Sorry to mention the answer.I just need someone to help explain to me when to turn a sentence "upside down" like this one. Any strategies? I chose 5 and i still do not know why it is wrong.
Thankyou very much
1. Same as above
2. According to a previous design, the weight of the discus used in track competition is concentrated in a metal center, but now it is
3. Once designed with its weight concentrated in a metal center, the discus used in track competition is now
4. The discus used in track competition, once designed with its weight concentrated in a metal center, but now
5. The discus used in track competition was once designed having its weight concentrated in a metal center and now
Note-The answer here is 3. Sorry to mention the answer.I just need someone to help explain to me when to turn a sentence "upside down" like this one. Any strategies? I chose 5 and i still do not know why it is wrong.
Thankyou very much
