Lesson 6: Behind the Shadows

The man ______ stole the money was arrested.

• which

• who

• whose

• whom

Answer explanation

The correct choice is 'who' because it is used to refer to the subject of the verb in a relative clause. In this case, 'who stole the money' identifies the man as the one performing the action.

Review relatives: p. 55&56 Student's Book.

Practice: pp. 41-43; ex. 1,2,3 p. 58; ex. 1&2 p.60 Workbook.

She ______ be the thief – she was abroad at the time.

• must

• might

• can’t

• should

Answer explanation

The correct choice is "can’t" because if she was abroad at the time of the theft, it is impossible for her to be the thief. "Must" and "should" imply possibility, while "might" suggests uncertainty, which doesn't fit the context.

Review modals: p. 57&58 Student's Book.

Practice: pp. 23-25; ex. 4,6 p. 59; ex. 5&7 p.61 Workbook.

The detective, ______ case was difficult, solved it.

• which

• who

• whose

• whom

Answer explanation

The correct choice is 'whose' because it indicates possession, referring to the detective's case. 'Which' and 'who' do not convey possession, while 'whom' is used for objects, not subjects.

Review relatives: p. 55&56 Student's Book.

Practice: pp. 41-43; ex. 1,2,3 p. 58; ex. 1&2 p.60 Workbook.

They found some ______ in the living room.

• clues

• trials

• thieves

• crimes

Answer explanation

The correct choice is 'clues' because it fits the context of finding something in a living room, suggesting a search or investigation. The other options do not logically fit this scenario.

You ______ be joking! That suspect is innocent.

• must

• might

• can’t

• should

Answer explanation

The correct choice is 'must' because it indicates a strong certainty. The speaker is expressing disbelief that someone could think the suspect is guilty, implying that the suspect is definitely innocent.

Review modals: p. 57&58 Student's Book.

Practice: pp. 23-25; ex. 4,6 p. 59; ex. 5&7 p.61 Workbook.

Complete: The police arrested the man ______ stole the car.

Answer explanation

The correct choice is 'who' because it introduces a relative clause that describes the man. The sentence should read: 'The police arrested the man who stole the car.' This clarifies which man is being referred to.

Review relatives: p. 55&56 Student's Book.

Practice: pp. 41-43; ex. 1,2,3 p. 58; ex. 1&2 p.60 Workbook.

Relative clause: The lawyer, ______ office is downtown, defended the case.

Answer explanation

The correct choice is 'whose' because it indicates possession, linking the lawyer to their office. The sentence implies that the office belongs to the lawyer, making 'whose' the appropriate relative pronoun.

Vocabulary: A person who saw the crime is a ______.

Answer explanation

A person who saw the crime is called a 'witness.' This term specifically refers to someone who has firsthand knowledge of an event, making it the correct choice for this definition.

Translate: 'Hubo un robo en el banco.'

Answer explanation

La traducción de 'Hubo un robo en el banco' es 'There was a robbery at the bank'. Se utiliza 'hubo' para indicar un evento pasado y 'robo' se traduce como 'robbery', mientras que 'en el banco' se traduce como 'at the bank'.

Choose: He ______ (commit) the crime last week.

• committed

• commit

• commits

• committing

Answer explanation

The correct choice is 'committed' because it is the past tense form of 'commit', which is needed to indicate that the action occurred last week.