Read the sentence carefully. is the notebook and dictionaries still on the bottom shelf where i left them? which sentence corrects the error in subject-verb agreement? is the notebook and dictionaries still on the bottom shelf where i usually leave them? is the notebook and dictionaries still on the bottom shelf where i usually leaves them? are the notebook and dictionaries still on the bottom shelf where i usually leaves them? are the notebook and dictionaries still on the bottom shelf where i usually leave them?

The answer is:

Are the notebook and dictionaries still on the bottom shelf where I usually leave them?

Subject-verb agreement involves the correspondence between a singular subject and a singular verb, and a plural subject and a plural verb.

In the correct interrogative  sentence, the verb to be must be used in the plural form are because the subject refers to two objects: one singular, the notebook, and one plural, dictionaries.

Similarly, the subject I must agree with the first-person form of the verb leave.

Are the notebook and dictionaries still on the bottom shelf where I usually leave them?

Explanation: