2. Read the Writing Strategy. Then complete the formal letter in exercise 1 with some of the conjunctions below. 

however           if               or             since             so               unless                  rather than

Dear Sir or Madam, 

I am writing to report an unreasonable class schedule in my school. (1) ________ all classes in my school have gone online because of the pandemic, the schedule has also been changed accordingly and at present, we are having 6 periods in the morning. 

The main problem is that there is only a five-minute break between the periods. In those five minutes, students have to log in and out of their classes as well as get prepared for the new class. Hardly do they have time to relax or to take their eyes off the screens. My concern is that in the long run, this practice may seriously affect students' eyes and vision in particular and their well-being in general. 

I understand that the school council wants to make the best use of online time and that teachers and students do not need long breaks to move from class to class as in offline classes. (2) __________, I believe after 45 minutes concentrating on lessons, teachers and students should be allowed decent time to recharge and to prepare better for the next class, (3) ____________ having 10-minute breaks is probably a better option. 

In conclusion, I find this problem irritating. (4) __________ there is a change in the schedule, both teachers and students will feel exhausted by the end of the day. 

Yours faithfully, 

4. Read the task below. Then think about the problem and make notes.

Your school has just launched a new official website which most students find quite confusing and hard to use. Write a letter of complaint about it.