lesson 88 Trapped in a mine
1.If there had not been a hard layer of rock beneath the soil,they would have completed the job in a few hours.
2.keep in touch with...
3.run out of...
4.lose heart
lesson 89 A slip of the tongue
1.need not have felt disappointed...
2.who should have appeared
3....what the poor man should have said,but what he actually said was...
lesson 90 What's for supper?
be frightened out of their wits,