Question

I offered.......help but they politely refused​

Answer 1

By filling in the blank space we will get ''I offered them help but they politely refused''.

Explanation:

• Correcting the sentences requires the proper use of grammar.

• Proper use of grammatical organization and all the dependent and independent clauses.

• The main thing is we should focus on the use of the proper form of the verb.

• The use of 's' or 'es' depends upon the use of the form of a singular or plural verb.

Learn more about it.

20 English phrases with sentences

brainly.in/question/9925348

Answer 2

I offered to help but they politely refused​

Explanation:

• "'To" is one of the most "common prepositions" in English.
• The preposition "to" is also used in several phrasal verbs.
• Offered (past tense of offer) implies asking  someone if they would want to have something/whether hey would like us to do something
• In the above sentence we use the preposition"to" after offered as a phrasal verb ("offered to")
• Other uses of the preposition "to" are to indicate time expression, movement from one place to the other, as an infinitive (mean 'in order to'),

To know more

uses of preposition to​ - Brainly.in

https://brainly.in/question/17242249