The Dragon Tower, from top visitors can enjoy a good of Harbin , attracts hundreds of tourists every day

A recent study suggests that teenagers who switch off the TV and sit down to family meals are less _______ to suffer eating disorders.

Not until he left his home _____ to know how important the family was for him.[ ]

The impact that the cold ______ on the old is obvious

So difficult ________ it to live in an English-speaking country that I was determined to learn English well．