为你解答.
1.What （fun,开心）we had yesterday!
我们昨天过得多开心啊!
2.（Although,虽然）we are poor ,we are still happy.
虽然我们穷,我们还是很快乐.
3.We did the work by （ourselves,我们自己）.
我们自己独立完成了工作.
4.Charlie Bucket is the （winner,获胜者） of the competition.
查理是这次竞赛的获胜者.
5.It is too cold outside.I （advise,建议）you to wear warm clothes when you go out.
外面太冷了.我建议你出去时要穿暖和点.