The conference {{U}}explored{{/U}} the possibility of closer trade links.

A:denied B:investigated C:stressed D:created

The conference {{U}}explored{{/U}} the possibility of closer trade links.

A:rejected B:investigated C:proposed D:postponed

We {{U}}explored {{/U}}the possibility of expansion at the conference.

A:offered B:included C:accepted D:investigated

The conference explored the possibility of closer trade links.

A:rejected B:investigated C:proposed D:postponed

The conference explored the possibility of closer trade links.

A:rejected B:investigated C:proposed D:postponed

We explored the possibility of expansion at the conference.

A:offered B:included C:accepted D:investigated

We explored the possibility of expansion at the conference

A:offered B:investigated C:included D:accepted.