Question 1-4 refer to the following announcement.
I (1)...the 7th grade students, and now it is time to tell your class. Mrs. Yoursa, the school music teacher, was planning to teach you next week. Some of you (2)... that she isn't here. This is because she had a family emergency. We have hired a substitute teacher, Mr. Hodge, to take her place. He (3)... music for 10 years. By Monday, he (4)... interesting lessons for you.
