The opposition leaders ________ the government for not taking action sooner.

Wemust______thattheexperimentiscontrolledasrigidlyaspossible.

The problem ________ when the students refused to do their homework.

If you want to find a decent location for your own home, ________ Mr. Smith for advice.

Seniormembersofthestaffcompetedeagerly________thepositionofsalesmanagerinthecompany.