Antonym analogy: good↔bad white↔black.

Botany studies plants. Zoology studies animals.

The correct idiom is 'a bolt from the blue' — sudden unexpected event.

'Pragmatic' = dealing with things sensibly and practically.

From Tennyson's 'The Charge of the Light Brigade': 'Into the valley of Death'.

Opening of Hamlet's famous soliloquy by Shakespeare.

From Martin Luther King Jr.'s famous 'I Have a Dream' speech.

Both novels are by the Victorian author Charles Dickens.

Both plays are by William Shakespeare.

The most natural collocation in English is 'a bad headache'.

Wings create lift from air. Space is a vacuum so wings are useless for a rocket.

Elasticity — the ability to return to original shape after stretching — is rubber's defining property.

Julius Caesar lived 100 BC to 44 BC — approximately 2000 years ago.

The South Pole is on the continent of Antarctica. The Arctic is near the North Pole.

Zoology studies animals (Tiger). Astronomy studies celestial objects (Mars).

Problem:solution analogy. You repair a break and heal a wound.

Emotion:vocal reaction. Frightened → scream. Angry → shout.

'Lose consciousness' = to become unconscious. The correct idiom.

Preceding action in simple past: 'went'. Main clause 'did I remember' also past tense.

'Put aside' = to save money for a particular purpose.