_____ excellent work you have done!

s very clever and worthteaching , but her brother is not Look ,he is now asleepin class

to his scientific research, the professor cared little about his family.

Are you ________ American or English— English. We have worked in Lianyungang for two years. (注意答题技巧：答句中的English)

His parents, ________, did not look after him very well-the elbows of his jacket and his boots were badly worn [ ]