________they visited the Science Museum,they showed great interest in everything they saw. [ ]

With the crop’s production _____ rapidly, food price is _____ year by year.

Do you know the Indian girl Malala— Of course, her makes the whole world shocked and she becomes the youngest winner of the Nobel Peace Prize.

US ______ digital product.

If any man here does not agree with me, he should_____ his own plan for improving the living conditionsof these people.[ ]