Fill in the Blanks

Jettisoned means to throw or drop something from an aircraft or ship, typically to lighten the load in an emergency.

The sentence is in the past tense and hence we must use a verb to indicate this. Hence, 'was' is the correct choice.

Occur is the standard verb used to describe the happening of natural phenomena like a blue moon. Happen is also possible, but occur is more formal and precise in this context.

The key word 'safeguarded' (third form of the verb) qualifies none other option than 'to be'.

Preposition 'from' show the commencement of an action in the future. 'Of November' is the correct expression. 'To' means 'till'.

'Crop up' means to appear unexpectedly. It is the correct expression.

'Too' means 'also', and it best fits the given blank.

We 'go to' a place 'by' a vehicle.

'Throughout' means during every part of. 'At' is used to refer to specific time or place.

'Till' means 'up to'. Used to refer to time.

'On' here means 'through the use or medium of something'.

The sentence implies that answers need to be written in 'not beyond the perscribed time'. Preposition 'within' best conveys the same meaning.

'Turn off' means to put off. 'Switch on' means to bring into use.

'For a person' is the correct usage; 'raised in' means 'brought up at'; 'to miss' is the correct infinitive form; 'simplicity of village life' is the correct usage.

To refer to specific time or place, we use preposition 'at'.