The railway station was overflowing with people_______ back home for the Spring Festival

My grandpa sowed the flower seeds in thegarden ______it was the best time for them to grow

We must try _____ people _____ the animals in danger.

The school finally listened to thestudents’repeated request that they_______a seven-day holiday on NationalDay

Many people are not________the danger of their children’s bad habits, which lead to failing to make their dreams come true.