Exercises练习

A  Complete these sentences by adding a suitable word to the end of each one:

1  What are you looking ______ ?

2  Where is your mother going ______ ?

3  Whom has the letter been sent ______ ?

4  This is the house I was born ______ .

5  What does your decision depend ______ ?

B  Write these sentences again changing the position of the words in italics. Where possible, omit the words whom or which.

1  He is the man about whom we have heard so much.

2  The shelf on which you put those books has collapsed.

3  From whom did you receive a letter?

4  This is the road by which we came.

5  Where is the pencil with which you were playing?

Multiple choice questions 多项选择题

Choose the correct answers to the following questions.

Comprehension 理解

1  Experts eventually decided to investigate ______ .

a．because they did not believe that pumas existed in England

b．because they wanted a puma for the London Zoo

c．when a woman saw a puma in a small village

d．because people's descriptions of the puma had a lot in common

2  What particular piece of evidence persuaded the experts that a puma had been seen in the village?

a．The puma had not attacked the woman.

b．The woman had described the animal she had seen as‘a large cat’.

c．A puma had come very close to a human being.

d．The puma had behaved like a cat.

3  What was the problem the experts were unable to solve?

a．How the puma had managed to cover such great distances within a day.

b．How the puma had escaped from a zoo.

c．Whom the puma had belonged to.

d．How the numa had climbed a tree.

Structure结构

4  The accumulating evidence made the experts ______ the animal was a puma. (lines 4-6)

a．to think

b．thinking

c．think

d．thought

5  People said ______ the puma. (lines 5-6)

a．to have seen

b．to see

c．they saw

d．they had seen

6 ______ , it immediately ran away. (lines 8-9)

a．Observing her

b．On being observed

c．Having been observed

d．On her being observed

7  Pumas never attack a human being except ______ cornered. (line 9)

a．they are

b．being

c．that they are

d．when they are

8  The experts were now fully convinced that the animal ______ a puma. (lines 13-14)

a．must be

b．should have been

c．can only be

d．could only have beenVocabulary词汇

9  The woman saw‘a large cat’ ______ five yards away from her. (lines 7-8)

a．at least

b．four or

c．no more than

d．within

10  A puma will not attack a human being unless it feels itself to be ______ . (line 9)

a．in a corner

b．in a trap

c．at an angle

d．under cover

11  A business man on a fishing trip is probably someone who ______ . (line 13)

a．sells fish

b．fishes for pleasure

c．nets fish

d．earns his living as a fisherman

12  A private collector is a man who collects ______ . (lines 15-16)

a．for his own benefit 

b．on his own

c．in private

d．unknown to the public