opportunity；as though；make up one's mind to do sth；see that；

1.What a great opportunity!
真是个好机会!
2.He looked as though he knew it.
他看起来像是知道这件事似的.
3.At last,he make up his mind to do it.
他终于下定决心做这件事.
4.I see that ceiling everywhere.
我发现,无论哪个领域都有这种限制.
5.It's my favorite sport.
这是我最喜欢的体育运动了.
6.We must keep up with the times.
我们必须跟得上时代.