Cho 2 số phức  ;  với , . Mệnh đề nào sau đây đúng?         

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  We ___________ to Da Lat several times. It's a foggy city.
  
  

• Find a mistake in the four underlined parts of the sentence and correct it:

  She was depressing because the main character died at the end of this moving love story film.

• Choose one sentence that has the same meaning as the root one:

  I am really sorry that I forgot your birthday.

• Choose one sentence that has the same meaning as the root one:

  My brother and I went to that school.
  
  

• Choose the word that has the underlined part pronounced differently from the rest:  

  around                   famous                   today                    make

• Choose the word that has the underlined part pronounced differently from the rest:  

  work               information                     connector              visitor

• Choose the word that has the underlined part pronounced differently from the rest:  

  destination               status             debate                another

• Choose a word that has different stress pattern:

  permission                       entertain                   geography               excursion

• Choose the best answer for the following sentence:

  Where's your father?

  He _________ in his office.
  
  

• Choose the best answer for the following sentence:

  I'm afraid my parents do not allow me ___________ on a long journey.