1．If only it could be just like last year!

[信息提取]　if only意为"但愿......，要是......就好了......"。

[例句仿写]　要是当时我接受你的建议就好了！

________ ________ ________ ________ ________ ________ ________then!

【答案】　If only I had followed your advice

2．We have been excavating layers of ash almost six meters thick，which suggests that they might have kept the fire burning all winter.

[信息提取]　suggest意为"暗示，表明"。

[例句仿写]　他的坐立不安说明了他想立即离开。

His restlessness suggested that he________ ________ ________ ________.

【答案】　wanted to leave immediately

3．Having heard wolves howling in the forest，Lala accelerated her walk up the path to the caves fearing that there might be wild beasts lying in wait for her.

[信息提取]　lie in wait for sb.隐蔽静候以出人不意。

[例句仿写]　警察为了捕获嫌疑人隐蔽埋伏了好几天。

The police________ ________ ________ ________ ________ ________ ________ ________the suspected man.

【答案】　spent a few days lying in wait for

4．So we think it is reasonable to assume they lived in these caves，regardless of the cold.

[信息提取]　regardless of不理会，不顾。

[例句仿写]　不论他是对还是错，我们必须遵守他的决定。

________ ________ ________ ________ ________ ________ ________ ________，we have to follow his decisions.

【答案】　Regardless of whether he is right or wrong

interrupt vt.& vi.打断......讲话；打岔；暂时中断或中止

①Don't interrupt us；it's rude.

别打断我们谈话，这样很不礼貌。

②Traffic in the city was interrupted by a snowstorm.