Many Chinese have lived abroad for years, but they still  _____ the traditional customs.

In order to meet the demands they had to________production.

After he retired from office，Royers________painting for a while，but soon lost interest.

Don’t always_______your own failure_______others.Sometimes you yourself________.

Jane’s pale face suggested that she______ill，and her parents suggested that she________a medical examination.

After so many hardships, the scientist             his motherland at last.

Some forms of algae have             to growing on ice.

She has             a lot of things, so she knows exactly how to deal with such a person.

This is a very serious matter and the Chinese Academy of Sciences is trying to             public awareness about it.

Wherever such an area is located, it will be immediately ______ by the enemy if armed forces are lacking.