Idiom
For each of the following sentences four alternatives are given. You are required to choose the correct meaning of the idiom or phrase given or underlined in the sentence. The staff have felt on edge ever since they heard the rumour about retrenchment.

nervous
disheartened
unhappy
scared

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Idiom
Select the correct statement about active and passive immunity.

Active and passive humoral immunity are both mechanisms of adaptive immunity that useantibodies
The antibodies utilized in active immunity are acquired from another organism
Immunological memory is established by passive immunization
A vaccination is an example of the introduction of passive immunity into the body

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Idiom
To get into a scrape

To get into irritating circumstances
To find oneself in an awkward predicament
To get into a muddle
To be trapped in a conspiracy

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