No. 7 High Senior 3 students are lucky to enjoy a ______ long winter vacation, compared with those of other schools, some of whom have to stay at school even during the Spring Festival.

With his mother’s good care, the boy is _____ recovering from his heavy cold.

Recent studies have discovered that fathers uniquely contribute to the development of their children, _____in low income families.

She devoted herself ______ to her research and it earned her a good reputation in her field. 

The patient’s progress was very encouraging as he could ________ get out of bed without help.