The correct verb form is "joins".
The sentence refers to a general or habitual action, which requires the present tense. Since the subject "brook" is singular, we use the present tense form "joins".
The sentence becomes:
The brook joins the river here.
The correct verb form is "joins".
Each question has a sentence that has an underlined part. Choose the option which rephrases the underlined part in the most appropriate manner in terms of grammar and usage.
In an attempt to boost their profits, many edible oil-producing companies have been engaging themselves in propaganda against commonly used oils and promoting exotic and expensive varieties of oils \(\underline{as\ more\ healthier\ options.} \)