What is the difference between close and shut?

[RubyS]

English Language Tests, Intermediate level

ESL/EFL Test #10 "Close vs. Shut", question 4

The police officer warned us that the road ahead was ..........

(a) shut
(b) shutting
(c) closing
(d) closed

English Language Tests, Intermediate level

ESL/EFL Test #10 "Close vs. Shut", answer 4

The police officer warned us that the road ahead was closed.

Correct answer: (d) closed
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what is the difference between close and shut?

RubyS

[Mister Micawber]

.
It is a matter of usage. Roads are 'closed'.
.
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Native English teacher at Mister Micawber's