Meaning: "surface" means the outside part.

Wrong options:

• surafce: Two letters are in the wrong order. The right spelling is "surface". Every letter must be correct to get the mark.

Correct answer: destroys

Explanation: The speaker says "cooking quickly destroys the bacteria". You need an action word that shows what cooking does.

Meaning: "destroys" means kills or removes completely.

Wrong options:

• destorys: Two letters are in the wrong order. Check the letters: "destroys". A small spelling mistake loses the mark.

Correct answer: muscle

Explanation: You hear "chickens' muscle tissue and internal". The line needs a word for a part of the body.

Meaning: "muscle" means the flesh or tissue used for movement.

Wrong options:

• mucle: It leaves out the "s". Write "muscle". Only the exact spelling gets the mark.

Correct answer: comparatively

Explanation: Listen for "we know comparatively little about". You need a describing word that compares, ends in ly.

Meaning: "comparatively" means when you compare with other things.

Wrong options:

• comparitively: It has "i" where the word has "a". Write "comparatively". Only the exact spelling gets the mark.
• relatively: This is a different word. The speaker used 'comparatively' here.

Correct answer: burden

Explanation: On the recording you hear "disease burden in humans". The sentence needs a word for the amount of harm.

Meaning: "burden" means the weight or amount of harm or cost.

Wrong options:

• burdon: It has "o" where the word has "e". Check the letters: "burden". A small spelling mistake loses the mark.