_____ to the delight of the schoolchildren, they will have a longer winter holiday which falls a week earlier than they have expected.

_____ the woman entered the office, Tom’s eyes lit up.

He is thought to be one of the most famous writers________.

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

—Jane, I will graduate this June．What advice will you give me?—Suggest you go       you are most needed and you'll benefit a lot from it．