Answer:
1). a). Men(plural subject) - clear, sweep, straighten, trim(plural verbs)
b). He(singular subject) - is(singular verb)
2). a). "Mexico and Canada <u>are</u> parts of North America."
b). "Wood or stone <u>is</u> a good material for this house."
c). "A truck or several cars <u>are</u> what we need for this trip."
Explanation:
Compound subjects are defined as the two or more subjects linked with using and, or, nor, etc. The verbs placed with the subjects linked with 'and' would be plural while in case of the subjects being linked with 'or', the verb must agree to its closest noun.
<u>He and his friends meet</u> every week. <u>Neither they nor he goes</u> to the club as they don't like going there. They just go to open places having fresh air and good food where they all can enjoy ourselves and get a break from the monotony of work life. This not only allows them to have a quality time together but also freshens up their mood completely.
