It is important for us （学会如何表达）our sincere thanks to others．
Suddenly，Lucy saw a policeman near the bus station．"I may ask him for help．"She _ （自言自语）．
Brazil （因……而著称）the Amazon rainforest and soccer．Many people travel there every year．
Yesterday afternoon my brother （花了两个小时安装）a new light in our bedroom．
What beautiful songs! All the students think Julie （对唱歌有天赋）．