“Nobread eaten by man is so sweet as______earned by his own labour. ”

Now a lot of new technologies can ___ problems in industry.

Jack has spent an hour in the shoe shop．Hasn’t he decided which pair of shoes to buy?— Maybe．Young as he is, he isabout his appearance．

I don’t think I’ll be able to gomountain-climbing tomorrow—

_____ is it from home to school—About two kilometers.