subject-verb agreement

The committee members (leads, lead) very different lives in private.

• leads

• lead

There (was, were) fifteen candies in that bag.

• was

• were

There (was, were) fifteen candies in that bag.

• was

• were

The committee (debates, debate) these questions carefully.

• debates

• debate

Nobody (know, knows) the trouble I've seen.

• know

• knows

Either answer (is, are) acceptable.

• is

• are