Давайте разберем ваш вопрос по очереди.
1. Предложения с Present Perfect и "already" или "yet":
a. I have already done my homework.
b. I have already had dinner.
c. My brother hasn't tidied his room yet.
d. My mother has already fed the cat.
e. My father has already returned from work.
2. Выбор правильной опции и дополнение с "never", "ever", "yet", "since" или "for":
a. I haven't studied for the math test.
b. She has lived in this city for ten years.
c. I have been to the US before. This is my first time.
d. Have you read a novel in another language?
e. Kara has studied English since she was five years old.
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