試卷名稱:100年 - 100 新北市國民小學暨幼稚園教師甄選:英語#5108
年份:100年
科目:教甄◆英文-國小
23. There is evidence that solar energy either is now economically competitive with conventional sources of heat ______ so within a few years. (A) will be or (B) but will be (C) or will be (D) and will be