What is the difference between "make" and "do"?

[Yanes]

English Grammar Tests, Elementary Level

ESL/EFL Test #90 "Using Make and Do (1)", question 5

The business ......... a lot of money this year.

(a) make
(b) do
(c) made
(d) did

English Grammar Tests, Elementary Level

ESL/EFL Test #90 "Using Make and Do (1)", answer 5

The business made a lot of money this year.

Correct answer: (c) made

Your answer was: correct
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when to use made and did?

thanks
Yanes

[Mister Micawber]

.
Both verbs have many, many uses, and you will have to learn the idioms and collocations individually. Here, the idiomatic phrase is 'to make money', which means to earn a profit.
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Native English teacher at Mister Micawber's