They ___ work in the day, but ___ at nig
题型：选择题
问题：
They ___ work in the day, but ___ at night.[ ]
A. sometime, sometimes
B. sometimes, sometimes
C. some times, sometime
D. sometime, some times
题型：选择题
分析下列图表，你从中能得到哪些信息？
中国与印度、美国钢产量和发电量比较
信息一：_____________________
信息二：_____________________
信息三：_____________________