riting to express my _______ for thesafety of children travelling on school buses, especially those on high-riskand highway-speed routes.

Each of the students, working hard at his or her lessons,___to go to university.—–So do I.

We are now living in a high-tech age ____easy things are becoming complicated

Much ________ he has a good taste for China’s football matches，he can’t avoid being influenced by the side effects of the football gambling.

______of the teachers in the school are from the famous colleges.