When I needed his help, my roommate just stood by and did nothing.—_______He appears to be a warm-hearted person.

Difficultiesandhardshipshave________thebestcharacteroftheyounggeologist

My dream ______ came true, because of his encouragement.

The parade went_______the streets to celebrate the traditional festival

__online shopping has changed our life , not all of its effects have been positive.