Although many people view conflict as bad, conflict is sometimes useful it forces people to test the relative merits of their attitudes and behaviors.

A) that B) which C) in which D) whose

A) which B) where C) when D) that

A) been fulfilled B) having been fulfilled

C) were fulfilled D) had been fulfilled

A) inform B) informing C) be informed D) informed

A) To look at B) looking at C) looked at D) To be looked at

A) to be advertised B) advertised C) advertise D) advertising

A) Reading B) To read C) To be read D) Read

A) to close B) closing C) to have closed D) having closed