I think I can use either "Use or employ"

[Lotinmaxceau]

English Language Tests, Intermediate level

ESL/EFL Test #100 "Student Teacher Dialogue (3)", question 1

Teacher: Can you explain to me when you ......... the Past Simple and when the Present Perfect?

(a) employ
(b) utilise
(c) exercise
(d) use

English Language Tests, Intermediate level

ESL/EFL Test #100 "Student Teacher Dialogue (3)", answer 1

Teacher: Can you explain to me when you use the Past Simple and when the Present Perfect?

Correct answer: (d) use
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I think I can use either "Use or employ"

[Mister Micawber]

I agree; we will change the answers to be less ambiguous, thank you.
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Native English teacher at Mister Micawber's