—Wow! Your school is so beautiful!—Thank you! It _____ last year. 

– It’s difficult for the village children to cross the river to get to school.– We think a bridge ________ over the river.

Bamboo can ___________ paper.

Mary is tired of learning because she is_____ to do better than she can, both at school and at home. 

I saw Li Ming ______ near the river on my way home.