1. If I come across an unknown English word, I look it up in a dictionary. 2. Look through this exercise and underline

vacation.

1. If I come across an unknown English word, I look it up in a dictionary.
— If I encounter a word in English that I don’t know the meaning of, I search for it in a dictionary. This helps me understand the word and its usage.

2. Look through this exercise and underline all irregular verbs in it.
— Take a careful look at this exercise and mark with a line all the words which are irregular verbs. Irregular verbs are those that do not follow the standard rule of adding «-ed» to the base form for the past tense.

3. My sister is looking for an English language course to improve her speaking skills.
— My sister is actively searching for a course where she can learn the English language in order to enhance her ability to speak it.

4. I look forward to hearing from you soon.
— I am eager and excited about receiving a response from you in the near future. This expression is commonly used to show anticipation and interest in receiving a message or communication.

5. Look out! There’s a car coming.
— Be vigilant and careful! Pay attention! There is a car approaching. This is a warning to be alert and cautious in order to avoid any potential danger.

6. He’s an excellent teacher. All his pupils look up to him.
— He is an outstanding teacher. All of his students highly admire and respect him. This indicates that the teacher has a strong impact on his students and they hold him in high regard.

7. We usually look after the neighbor’s dog while they’re on vacation.
— Normally, we take care of our neighbor’s dog while they are away on vacation. This implies that we assume responsibility for the well-being and needs of their dog during their absence.