Why wander without the preposition about?

[Elga]

English Synonym, Elementary Level

ESL/EFL Test #66 "Synonyms for walk", question 7

Where is your brother? Don't tell me he is ......... in the mountain again.

(a) striding
(b) pacing
(c) jumping
(d) wandering

English Synonym, Elementary Level

ESL/EFL Test #66 "Synonyms for walk", answer 7

Where is your brother? Don't tell me he is wandering in the mountain again.

Correct answer: (d) wandering

Your answer was: incorrect
Where is your brother? Don't tell me he is striding in the mountain again.
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Hi, Why in this case wander does not come with the preposition "about"?
Tks!

Elga

[Daniela]

Hi Elga,
"Wander" itself means to move about aimlessly and it does not necessarily need the preposition "about' since the meaning of the preposition is in the very verb. So, you can use WANDER/ WANDER ABOUT without change in meaning.
Daniela
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