Although the new road is being used, it has not yet been       opened.

After two years' research，we now have a ________ better understanding of the disease.(2013·全国Ⅱ)

 Jim went to answer the phone.         , Harry started to prepare lunch.

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

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