A. It was completely dark inside. B. The caves were full of wild animals. C. Painting materials were hard to find. D. Many painting spaces were difficult to reach.
单项选择题Who is told to talk to Ms. Braxton()
A. Parents. B. Students. C. Teachers. D. Performers.
单项选择题According to the passage, the use of other metals in gold alloys (). Ⅰ. can be used to make the gold different color Ⅱ. makes jewelry more expensive Ⅲ. makes gold more flexible
A. Ⅰ only B. Ⅰ and Ⅱ only C. Ⅱ and Ⅲ only D. Ⅰ, Ⅱ, and Ⅲ