题目内容
5.Tony ______ when his mother came in.( )| A. | cook | B. | cooks | C. | was cooking | D. | is cooking |
分析 当妈妈进来时托尼正在做饭.
解答 答案:C.考查过去进行时态.句意"当妈妈进来时托尼正在做饭.".A原形.B第三人称单数.C过去进行时态.D现在进行时态.结合语境"当妈妈进来时",可知表示过去时间段正在发生的事情,用过去进行时态.结构是was/were+动词的现在分词.因此答案是C.
点评 过去进行时态.表示在过去某一时刻或某一段时间内发生或进行的动作或状态.结构是was/were+动词的现在分词,注意主语的单复数变化,及动词现在分词变法,结合语境选择合适形式.
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