行2:know 改为 knew
行3:删除 the
1 knew
2 one-month examination
3 full of disappointment
4 desks being pushed together
5 on which there was
6 candles were lit
7 Don't be discouraged
8 turn to us
9 sincere words
10 hope and confidence
2行(以下同) know—knew
3 去掉the
6 pushing—pushed
7 that—which
8 was—were
9 discouraging—discouraged
10. turn后加to; How—What
11 word—words
13. confident—confidence
行1:删除sure 后面的of; take 改为 bring