how long have you been studying E ? đổi thành How long has it , When với how long has E. làm sao v mn chỉ em với:(((
2 câu trả lời
How long have you been studying English?
⇒ How long has it been since you l started studying English?
⇒ When did you start learning English?
⇒ How long has English been studied?
