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. To get into hot waters

To get into trouble
To be impatient
To be in a confused state of mind
To suffer a huge financial loss

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Idiom
White blood cell act

As a source of energy
For clotting blood
As a medium for oxygen transport from lung to tissues
As a defence against infection

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