Questions about example sentences with, and the definition and usage of "Ctf"
Other questions about "Ctf"
- Other types of questions
"a" is pretty much only used in very informal situations. Depending on who you are speaking to you could use either but "b" is more formal and polite.
Meanings and usages of similar words and phrases
Words similar to CTF
HiNative is a platform for users to exchange their knowledge about different languages and cultures. We cannot guarantee that every answer is 100% accurate.