填空题 Directions: Using the information in the text, complete each sentence 6-10, with a word or phrase from the list below. For each sentence(6-10), mark one letter(A-G)on your Answer Sheet. Do not mark any letter twice. A. to know their culture B. to dry all its moisture C. clay is a rare material D. to make the pottery stiff E. in order to make a living F. qualified clay should be processed clay G to use them as ornaments as well as daily items

填空题 Scientists study pottery in ancient time 1.

填空题 In ancient time, people make clay pottery 1.

填空题 Most of the clay used in pottery process is commercially bought because 1.

填空题 The first firing of the finished pot is 1.

填空题 Today, people make clay pottery 1.