Prefer vs. rather

[Leon]

Business English Courses, Elementary Level

ESL/EFL Test #67 "Business dialogue on the phone", question 2

Bill: Sure. Would you ......... use my cell phone or the one in my office?

(a) rather
(b) prefer
(c) like
(d) assume

Business English Courses, Elementary Level

ESL/EFL Test #67 "Business dialogue on the phone", answer 2

Bill: Sure. Would you rather use my cell phone or the one in my office?

Correct answer: (a) rather

Your answer was: incorrect
Bill: Sure. Would you prefer use my cell phone or the one in my office?
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why rather

Leon

[Mister Micawber]

.
Prefer requires the infinitive particle to:

Would you prefer to use...
.
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Native English teacher at Mister Micawber's