Meaning: "compelling" means very interesting or strong.

Wrong options:

• compeling: It leaves out the "l". The right spelling is "compelling". Every letter must be correct to get the mark.
• complicated: This word means complex, not very interesting or strong.

Correct answer: sophisticated

Explanation: Here you hear "requires sophisticated equipment to ensure". It comes after "requires", so you need a describing word that ends in ed.

Meaning: "sophisticated" means advanced or high-tech.

Wrong options:

• sofisticated: It has "f" where the word has "ph". The right spelling is "sophisticated". Every letter must be correct to get the mark.

Correct answer: critical

Explanation: The speaker says "the critical part is promoting the video". It wants a word meaning very important, ending in al.

Meaning: "critical" means very important.

Wrong options:

• critcal: It leaves out the "i". Write "critical". Only the exact spelling gets the mark.

Correct answer: positive

Explanation: You hear "maintaining a positive relationship with them". After "a" the sentence needs a good word, it ends in ive.

Meaning: "positive" means friendly or good.

Wrong options:

• postive: It leaves out the "i". The right spelling is "positive". Every letter must be correct to get the mark.