The key answer of exercise 6

a)

1. search
2. the alarm
3. presumed
4. suffer from
5. an investigation
6. shift

b)

1

• search to no avail and search in vain = search without success
• search frantically = search quickly, with a sense of panic
• search extensively = search very thoroughly

2

• set off the alarm = do an action (maybe deliberately) which causes the alarm to sound
• sound the alarm and raise the alarm = a deliberate use of an alarm in order to warn people of what is happening
• trigger the alarm = do something (maybe small) which sets off the alarm, and may not be intentional

3

• presumed rightly = people thought this and they were correct
• presumed wrongly = people thought this and they were incorrect
• presumed dead = people thought he / she / it was dead
• presumed innocent = people thought this person was innocent (until there was evidence to the contrary)

4

• suffer from asthma = a disease affecting the lungs and breathing
• suffer from migraines = intense headaches often associated with bright or neon lights
• suffer from amnesia = memory loss
• suffer from hay fever = a medical condition, like a bad cold, that is caused by breathing in pollen (dust from plants)

5

• launch an investigation = start an investigation
• (be) the subject of an investigation = be the person who is being investigated
• pursue an investigation = continue with the investigation
• lead an investigation = be the person in charge of the investigation

6

• day / night shift = a session at work which lasts all day / all night
• early / late shift = a session at work which starts early in the morning / late at night
• split shift = a session at work which is divided into two parts, e.g. one which starts early in the morning and one which is later in the day
• 10-hour shift = a a session at work which lasts for ten hours