一、单项填空：（本大题共15分，每小题1分）在A、B、C、D四个选项中, 选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
1. In the United States, Father’s Day falls on ______ third Sunday in _____ June.
A .the; / B. the; a C. /;the D. a; /
2. --- Mum, have you seen my mobile phone?
---_______you bought last week? I’m sorry I haven’t seen _______.
A. One ; it B. One ; one C. The one ; it D. The one ; one
