一、单项选择（共15小题；每小题1分，计15分）
在下列各题A、B、C、D四个选项中选择一个能填入题干空白处的最佳答案。
( ) 1. —What do you think of _____ action film Wolf Warriors Ⅱ?
—It has been _______ success.
A. a, a B. the, a C. an, a D. the, /
( ) 2. —Have you heard about shared bikes?
—Of course!I often ride _____ to Yangzhou Science And Technology Hall.
A.it B.this C. one D.that
( )3. —When will Yangzhou Jianzhen International Half Marathon be held this year?
—__________ the morning of April 22.
