Is there anything new about the lost Malaysia Airlines flight–No. It was said ___________________________________.

Her excellent performance in the competition proved that she was a winner.

Young people always look into the future, while old people like to look back into the past. This is ______ both men and women.

Because so many visitors are visiting our school today, some teachers have to _______ guides.

With the loss of labor，the old farmers ________at home had to choose less labour­intensive crops.