只有大那时我才意识到学英语的重要。用英语翻译

I don't realizes the importance of learning English, until I grow up.This dictionary is very helpful for beginners.My sister dreams to be an engineer.His facial expression shows that he has passes the test.Student are taking pictures of this beautiful village.

只有到那时我才意识到学英语的重要。Only then （ ） （ ） （ ）the importance of learning english。only then did I realize the importance of learning English.

This dictionary is very helpful for beginners. My sister's dream is to become an engineer. The expression on his face suggested that he had passed the exam. The students are taking pictures of the beautiful village.