The environment of the city is very good, You can see many trees on________side of the street.

266. At first he did not realize that hehad succeeded in making a computer that ran on solar power. “Realize” in the sentencemeans “___________”

My father bought a new bike________me.

Did Alan enjoy seeing his old friends yesterday? ? —Yes, he did．He ______ his old friends for a long time

Your sister is _______ too young to learn Russian