What does this phrasal verb mean: "We'd better get on with it."?

[Arielfrommendoza]

Test No. incompl/elem-24 "Shopping", question 6

Right, we'd ......... get on with it.

(a) better
(b) sooner
(c) quicker
(d) faster

Test No. incompl/elem-24 "Shopping", answer 6

Right, we'd better get on with it.

Correct answer: (a) better

Your answer was: correct
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Hello again,
What does "get on with something" mean?

[Alan]

This means start doing something or continue doing something - especially when you need to hurry.
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English as a Second Language
You can read my ESL story Present Simple