1. D. celebrate
   (In this case, the "e" in "celebrate" is pronounced differently from the "o" in the other words.)

2. B. century
   (The "ce" in "century" is pronounced differently compared to the "ca" in the other words.)

3. A. warned
   (The "ed" in "warned" is pronounced differently from the "ed" in the other words.)

II. Choose the word that has different stress from others:

1. C. relax
   (The stress in "relax" is on the second syllable, while the others are stressed on the first syllable.)

2. D. profession
   (The stress in "profession" is on the second syllable, while the others are stressed on the first syllable.)

III. Give the correct form of the verbs in brackets:

1. Where is your key? - I don’t know (I’ve lost) it.
   (Use the present perfect tense here, as it refers to an action that has happened in the past but still affects the present.)

2. I hate (asking) the questions like that.
   (Use the gerund form after "hate" to describe an activity.)

3. When I saw you yesterday, you (were driving) very fast.
   (Use the past continuous tense to describe an action that was happening when something else occurred.)

4. The house needs (painting) soon.
   (Use the gerund form after "needs" to express something that requires action.)

5. Today (being) Sunday, we would go on a picnic.
   (Use "being" as the present participle to show the condition or situation on that specific day.)