一、单项选择(共 15 小题,每小题 1 分,计 15 分)
从A 、B 、C、D 四个选项中选出一个可以填入句中空白处的最佳答案。
( ) 1. The education of the young is always ________ hot and serious topic.
A. a B. an C. the D. /
( ) 2. This year’s Dragon Boat Festival falls ________ the second Wednesday in June.
A. in B. on C. at D. for
( ) 3. -- Mum, have you seen my mobile i-phone 5?
-- The ________ you bought last week? I’m afraid I haven’t seen it.
A. one B. this C. it D. that