Emma’s school has a tower with a big bell in it. Every morning, the bell rings and a new school day starts. One winter morning, however, the bell remains ____1____. The familiar sound disappears. This worries Emma and many other ____2____.

Emma and her friends try ____3___ what has happened. Their first stop is the headmaster’s office. There they hear the headmaster talking with the repairman on the phone. He is asking the repairman to come and check what is wrong ____4____ the bell.

The curious kids cannot wait and decide to explore the bell tower ____5____. They walk up to ____6____ top of the tower. Surprisingly, a lovely small cat ____7____ on the button (按钮) of the bell.

The kids realize ____8____ is the trouble maker. At that moment, the cat wakes up and looks at them with a shy “meow.” Clearly, it has chosen the bell tower as its home. The kids think they should find it a new home ____9____ the bell can ring again.

The kids go back to the headmaster and tell him that the bell problem is solved. They ask him if he would like to take care of the cat. To their joy, the cat ____10____ by the headmaster. Now it has a perfect, warm home. Finally, the familiar sound of the bell comes back.

1.1.

A silent

B silence

C silently

D

解析：选A。解析：remain 是系动词，后面接形容词作表语。silent（形容词，安静的）；silence 名词；silently 副词。句意：大钟保持寂静。

2.2.

A student

B student’s

C students

D

解析：选C。解析：many（许多）后面加可数名词复数。student 单数；student’s 名词所有格；students 复数。many other students 许多其他学生。

3.3.

A find out

B found out

C to find out

D

解析：选C。解析：固定搭配 try to do sth. 努力 / 设法做某事。try to find out 设法查明。

4.4.

A for

B with

C over

D

解析：选B。解析：固定句型 what’s wrong with… …… 出了什么问题。

5.5.

A them

B theirs

C themselves

D

解析：选C。解析：反身代词，意为 “他们自己”。句意：孩子们决定亲自去探索钟楼。them 宾格；theirs 名词性物主代词。

6.6.

A the

B an

C a

D

解析：选A。解析：固定搭配 the top of …… 的顶部，特指塔楼顶端，用定冠词 the。

7.7.

A sleep

B is sleeping

C will sleep

D

解析：选B。解析：本句描述登上塔顶那一刻看到的场景，正在发生，用现在进行时：is sleeping（正在睡觉）。

8.8.

A why

B who

C whether

D

解析：选B。解析：句意：孩子们明白谁是这个麻烦制造者。who 谁；why 为什么；whether 是否。

9.9.

A so that

B ever since

C because of

D

解析：选A。解析：so that 引导目的状语从句，表示 “以便，为了”。给小猫找新家，以便大钟可以再次敲响。ever since 自从；because of 因为（后接名词 / 短语）。

10.10.

A welcomes

B is welcomed

C are welcomed

D

解析：选B。解析：被动语态，小猫 “被校长接纳”；主语 the cat 是单数，be 动词用 is。