Question

do you think I am _?l have lot of work .
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Answer 1

Do you think I am free? l have a lot of work.

or  

Do you think I am pretending to be busy? l have a lot of work.

or

Do you think I am lying to you? l have a lot of work.

• You can fill the blank with a suitable word or phrase.  
• However, while filling the blank, make sure that it is grammatically correct.
• The correct expression is 'a lot' not 'lot.'