Answer:
You say there is one twin. Twins, when referred to as a set, require an s, just like most other groups of objects. There are the twins.
In the word oncology, the root/combining form means tumor. The root/combining form in the word chondrosarcoma means cartilage.
National Benchmark Test (NBT)
Hope it helps you
Most sports identities are in truth business that relies upon constructive popular supposition for its proceeding with progress: the better loved and better known a games identity is, the more profitable he or she will be to his/her game and backers. This is particularly valid for those at the highest point of their individual orders, where a large portion of their pay would originate from sponsorships as opposed to compensation or prize cash.
Honestly, I believe the way that people should communicate on the internet is through respect. To treat others the way we want to be treated. There are so many instances where I find people saying and writing cruel things to each other just because the other calmly said they did not like a certain song or book. What the heck? Sorry I can go on and on about this and I apologize if I didn't answer the question correctly.
