Read the following passage, then choose the correct answer to questions.

To all students,

Mr. Richards has just (21)__________the school that he will only be teaching with us for the next few weeks of the semester. (22)__________to Texas to take care of his parents, both of whom are elderly. Please give your best wishes to Mr. Richards before he leaves. Mr. Richards has been with us for five years, and it is safe to say that there is no teacher (23)__________. As you all know, Mr. Richards teaches social studies and history. Since we are in the middle of the semester, we do not have enough time to conduct a (24)__________search for new teacher. We will do that during the winter break. Fortunately, Mrs. Paker has agreed to come out of retirement, so she will take over Mr. Richards’ classes. Some of you may remember Mrs. Parker, (25)__________two years ago prior to retiring. She is an outstanding teacher, and you will all surely benefit from being in her class.

  Dee Gorey,

                        Principal

D. alarmed