1.有老师帮助我,我将在考试中取得巨大的进步(with)With the teachers' help,I will make great progress in the exam.2.正是父母的鼓励他在大学里学习音乐(who/it is…that)It is his parents who encourage him to learn music at the college.3.这是他第一次参观中国的长城(the first time)It is the first time for him to visit the Graet Wall in China.