一、单项选择 （共15小题；每小题1分，满分15分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，填在题前括号内。
( )1. —Kate, it is raining, you’d better take ______ raincoat with you.
—Well, but I can’t find ______raincoat I put yesterday.
A. a ; the B the; a C. a ; a D. the; the
( )2.______since he left his hometown.
A. Ten years went by B. Ten years has passed
C. It is ten years ago D. There are ten years
