(3) My book, The house of Hades, is missing. Who could have taken it? （谁可能拿了它呢？）

(4) The children must have got lost (一定迷路了) in the woods; otherwise, they would have been

at the lakeside camp as scheduled.

(5) -I left my handbag on the train, but luckily someone gave it to a railway official.

-How unbelievable to get it back! I mean, someone ______ it.

A. will have stolen B. might have stolen C. should have stolen D. must have stolen

2. (Page 58 Line 15) By the age of thirty, he had already occupied more land than anyone before, and it seemed that more glory was waiting ahead of him.

▶ ahead adv. （时间、空间）在前面；提前，预先；领先

【考点训练】

(1) Walk straight ahead (径直朝前走) until you reach a crossroads.

(2) The party was planned weeks ahead (提前几周).

【联想拓展】

ahead of sb./sth.

(1) （空间）在......前面

在我们面前坐落着一座古老的庙宇。（用倒装）

Ahead of us stood/stands an ancient temple.

(2)（时间）在......前面，早于

ahead of schedule/time = in advance提前

London is about five hours ahead of New York (比纽约早).

(3) 领先于......，比......更先进

She was always well ahead of the rest of the class. 她在班上总是遥遥领先。

3. (Page 59 Line 13) In many cases, his questions made his students aware of their own errors.

▶ aware adj. 意识到的，知道的；觉察到

【用法提示】

常接of +名词、代词、动名词；也可以接从句（直接接that或疑问词引导的从句）

make ... aware of/that ...

【考点训练】

(1) She was not aware of having done wrong. 她没有意识到做错了事。

(2) I was aware that he was trembling . 我觉察到他在发抖。

(3) The government should take effective measures to make the public aware of/make the public realize the danger of drunk driving (使公众意识到酒驾的危险性).

【联想拓展】

(1) aware前常用well/quite/fully/very much等副词修饰，但不用very修饰。

I am well aware that this is a tough job. 我深知这是一个棘手的工作。

(2) awareness n. 知道，认识，意识

The organization aims to raise/increase public awareness of environmental protection. 该组