Choose the best answer:
The scientists ……….. the behavior of the laboratory animals.

Câu hỏi liên quan

• Choose the correct answer in each sentence.

  The non-profit organization released to the press several documents _________   the largest donors and how much they contributed.

• When both parents go to prison, social workers will take ____ the children care.

• Because of this ................ in demand, PaperSave, inc. has decided to open two new paper recycling plants in the Chicago area.

ZUNIA12

• Choose the best answer:
  The interviewer asked me what experience for the job.

• Choose the correct answer in each sentence.

  All staff members should log in to their time and labor  _____________  daily to record their hours worked.

• He was an extremely entertaining speaker, so we all enjoyed______ even more than we had expected to. 

• Mark the letter A, B, C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions:

  She's a down-to-earth woman with no pretensions.

• Martin asked me ...............

• Choose the best answer: 
  She prefers walking to ..... a bike.

• One is never too old to learn; _______ are never too old to learn. 

• Choose the correct answer in each sentence.

  To ensure stability and safety, it is important to follow the instructions ------- when assembling the office bookshelves.

• Choose the best answer:
  I gave him my e-mail address ……………….. he could keep in touch with me.

• Anne Farnsworth ............... tries to interview potential employees as thoroughly as possible.

• Tom: " Sorry, I forgot to phone you last night” . 

  Mary : “______________”

• ___________ people in our country earn enough for a comfortable life. 

• Even though we strive to ............ that all of our products meet the highest quality standards,

• Tom and Ann stood in front of the mirror and looked at_______ 

• Choose the best answer A, B, C or D to complete the sentences.

  Have her ____ these letters, please.

• My main interest is in becoming a strong researcher with a ................. and ethical company.

• While I  ............ T.V last night, a mouse ran across the floor.