Nacy is____to know that Jack is OK in China

问题描述:

Nacy is____to know that Jack is OK in China

happy/glad

Nacy is__glad__to know that Jack is OK in China
Nacy is__delighted__to know that Jack is OK in China
Nacy is__pleased__to know that Jack is OK in China

Nacy is (glad) to know that Jack is OK in China.