下列一笔完成的字母正确的一组是_______。

Mary, 63, teaches painting, a skill she learned at a community college for senior citizens, while her husband Blare _______ head of the volunteer group.

e think of trees at Christmas, there is ________ thatimmediately springs to mind－the evergreen treebeautifully decorated.

Can I help you —___________.

What are you going to do next week—If I_______,I’ll visit my grandparents.