1.our teacher often tell us not to lose heart while facing difficulties.
2.i got great progress in english with his help
3.he is so excited at this news that he can not speak
4.i don't know what he like
5.it is teamwork that make us confident
6.this boy is not old enough to deal with such problem
7.it's said that he'd been to england twice
8.although he don't have much money, he buys a present for her
9.it's neither cold nor hot in autumn
10.children are getting more and more interested in science