1 . Living in the village___________(be) also more challenging than he had thought. （所给词的适当形式填空）

2 . ___________ the popular saying goes, “Every minute counts. （用适当的词填空）

3 . ______ made him satisfied was that his students were able to read, speak and write in English, and they became more confident in learning.（用适当的词填空）