The bread-making machine operates

[Chloelin]

The bread-making machine operates -----, ensuring that the ingredients for each loaf are combined and well kneaded.

(A) dependable
(B) dependably
(C) depend
(D) dependence

Why the answer is (B)?

I don’t understand ..

 

[Tdol]

Re: Why choice dependably?

It's not a good question for me- reliably works better.

 

[Tdol]

Re: Why choice dependably?

It describes the way the machine works.

 

[Charlie Bernstein]

Re: Why choice dependably?

The bread-making machine operates -----, ensuring that the ingredients for each loaf are combined and well kneaded.

(A) dependable
(B) dependably
(C) depend
(D) dependence

Why is the answer [STRIKE]is[/STRIKE] (B)?

I don’t understand ..

The right answer will describe how it operates. So you need a word that modifies operates. Operates is a verb. Verbs are modified with adverbs.

And the list has only one adverb:

(A) dependable: an adjective
(B) dependably: an adverb
(C) depend: a verb
(D) dependence: a noun

So B is the winner.