11.He always emphasizes the needs of more concentration to environmental protection. 12.t was not until the end of last century that people realized the importance of computer to our daily life. 13.It is said that the number of students in high-school is declining. 14.It is the practice in Britain to drive on the left. 15.A banquet was given in honor of the presidents from other countries in this new hotel.
he has been constantly reminding the need ofthe environmental concentratio it was not until the end of last century that human started to realise the significant of computer in our daily life it was found out that the number of high schools student is dropping in england, drivers practice to keep to the left side of the lane In honor of its opening,this newly built hotel has invited many presidents to its ceremony