Quá trình hình thành đất chịu tác động của các nhân tố: 

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  Their parents are concerned _________ their bad behaviours.
   

• Choose the best answer for the following sentence:

  The newcomers are familiar _________ these sub-standard living conditions.
   

• Choose the best answer for the following sentence:

  I’d like to stay ___________ Sunday, if that’s OK.
  

• Choose the best answer for the following sentence:

  He died ___________ heart failure ____________ Thursday night. His wife is still suffering ____________ shock.
   

• Choose the best answer for the following sentence:

  I arrived _______________ May last year, and ______________ the end of the year I spoke quite good English.
   

• Choose the best answer for the following sentence:

  We are going to stay in a little cottage, and that will be very nice because I haven't been to the seaside __________ two years at least.
  
  

• Choose the best answer for the following sentence:

  It’s ages ____________ we said goodbye.
   

• Choose the best answer for the following sentence:

  He insisted ____________ seeing the document.
  
  

• Choose the best answer for the following sentence:

  It never occurred ___________ me to ask him ____________ proof ____________ his identity.
   

• Choose the best answer for the following sentence:

  The house is ___________ fire. Send ____________ the Fire Brigade!