【题目】I was about to give up halfway when my teacher____________ to encourage me to carry on.
A.has comeB.comesC.was comingD.came
在线课程【答案】D
【解析】
考查动词时态。句意：正当我打算半路放弃时，我的老师来到了我的身边给我鼓励，鼓励我继续前行，永不放弃。前半句 was about to 表示过去将来时，when 后面从句也需要用一般过去时，故用 came，故选 D。