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The duckling tried to ________ its mother by following her every step.


Rival
Confront
Personify
Immerse
Emulate

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First, what do you think, please?
Clive

Comments  
Teachers: We supply a list of EFL job vacancies
Emulate

Yes

Emulate
Students: Are you brave enough to let our tutors analyse your pronunciation?

"Emulate" is the answer the test is looking for, but it is a misuse. You can't try to emulate someone because "emulate" means to try to be like. "Try" is redundant with "emulate". The duckling emulated its mother.