What does the phrasal verb 'get along' mean?

[Getty]

English Language Tests, Intermediate level

ESL/EFL Test #163 "Idioms with the phrasal verb get", question 10

Employees at the reinsurance company were finding it very difficult to ......... with their new manager.

(a) get along
(b) get away
(c) get through
(d) get out

English Language Tests, Intermediate level

ESL/EFL Test #163 "Idioms with the phrasal verb get", answer 10

Employees at the reinsurance company were finding it very difficult to get along with their new manager.

Correct answer: (a) get along
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Dear teachers,
i want explantion.
Thanks
Getty

[Alan]

Hi,

'Get along with someone' suggests you like being/working with someone. You understand each other.

Alan
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English as a Second Language
You can read my ESL story Subjunctive