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单选题
1.Tammy I was very sceptical about meeting people ____1____ the Internet. But one day I was ____2____ the net and decided to go into a chat room. It was quite boring until a guy ____3____ Brad came in. We chatted for a long time and then ____4____ photos. It was difficult because we were both going out with someone at the time and we were living in ____5____ states, but eventually we arranged to meet. And now we’re together! Albert I live in an old people’s home and I really thought I was ____6____ old to meet anybody special. I wasn’t looking ____7____ love, but I suppose I needed a friend. One day, I was ____8____ the newspaper in the garden when Joyce came over to have a chat. We talked and talked, day after day, and we became very ____9____. Now, we do everything together. I have one regret – that I didn’t ____10____ Joyce years ago!
A
surf
B
surfed
C
surfing
答案解析
正确答案：C
解析：
这道题考查的是非谓语动词在句子中的用法，具体涉及过去进行时态的结构。
**解析如下：**
1. **分析句子结构**：
句子是 "But one day I was ____2____ the net and decided to go into a chat room."
* 主语是 `I`。
* 谓语部分由 `was` 引导，后面紧跟空格，再往后是宾语 `the net`。
* 后半句 `and decided...` 表明这是一个并列句或者连续的动作描述，时态背景是过去时。
2. **判断时态与语态**：
* `was` 是 be 动词的过去式。
* 在英语中，`be + doing` 构成**过去进行时**，表示在过去某个特定时间正在进行的动作。
* 句意理解为：“但是有一天，我**正在上网**（surfing the net），然后决定进入一个聊天室。”
* “上网”这个动作在当时是持续进行的状态，因此需要使用现在分词形式。
3. **辨析选项**：
* **A. surf**：动词原形。`was surf` 语法错误，be 动词后不能直接跟动词原形构成谓语。
* **B. surfed**：动词过去式或过去分形。`was surfed` 是被动语态（被上网？），逻辑不通，因为“上网”是主语主动发出的动作。
* **C. surfing**：现在分词。`was surfing` 构成过去进行时，符合语境和语法规则。固定搭配 `surf the net` 意为“上网浏览”。
**结论：**
根据语法结构 `was + doing` 表示过去进行时，以及句意“当时正在上网”，正确答案选 **C. surfing**。
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