insist vs consist

[Amehy]

Business Idiom in English, Intermediate level

ESL/EFL Test #68 "How to complain", question 4

I must ......... you do something immediately as I've been patient long enough.

(a) persist
(b) desist
(c) insist
(d) consist

Business Idiom in English, Intermediate level

ESL/EFL Test #68 "How to complain", answer 4

I must insist you do something immediately as I've been patient long enough.

Correct answer: (c) insist

Your answer was: incorrect
I must consist you do something immediately as I've been patient long enough.
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what is the mean of insist and ahy should we use this word?

Amehy

[Alan]

Hi,

There are two verbs 'insist' and 'consist'. The first is used to mean: be firm about/be definite about and the second is used to mean: contain. Here they are in a sentence together: This guide book consists of a number of rules and I insist you read it carefully.

Alan
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