Exercise 1: Choose A, B, C or D that is the closest in meaning to the roof sentences. 

3. Could you tell me how to get to the City’s Exhibition, please? A. Could you show me the way to the City's Exhibition? B. Would you like to get to the City's Exhibition? C. How can we get to the City's Exhibition? D. Both A and C are correct. 4. There are 45 students in my class. A. My class have 45 students. B. My class are 45 students. C. My class has 45 students. D. There have 45 students in my class. 5. It is essential that you do your homework before going to school. A. You are essential to do your homework before going to school. B. You must do your homework before going to school. C. You must do your homework before go to school. D. It is important to do your homework before go to school. 6. Our area has some beautiful camping sites. A. Our area is some beautiful camping sites. B. Our area has some beautiful camping site. C. There are some beautiful camping sites in our area. D. There have some beautiful camping sites in our area.