John and Sarah went to the concert last night,________? 

a. In conclusion, we can improve the environment in our school in many ways and even small actions can make a big difference.

b. There are two things we can do to improve the environment in our school.

c. First, we should clean up all areas regularly.

d. Second, let's plant more trees in the school yard.

e. For example, we can organize clean-up activities at weekends.

f. This helps reduce CO2 and make the air clean.

Mark the letter A, B, C or D to indicate the correct option that best fits each of the numbered blanks from 1 to 6.

Read the following advertisement/school announcement and mark the letter A, B, C, or D to indicate the correct option that best fits each of the numbered blanks from 14 to 16.

Mark the letter A, B, C, or D to indicate the correct option that best fits each of the numbered blanks from 7 to 11.

Read the following advertisement/school announcement and mark the letter A, B, C, or D to indicate the correct option that best fits each of the numbered blanks from 17 to 19.