40. What is the main reason for Slberteien to practice recycling?
A、To protect the environment.
B、To save more money.
C、To obey the local rules.
D、To follow his fellows.
Directions:There are 15 incomplete sentences in this section. For each sentence there are four choices marked A, B, C and D. Choose one answer that best completes the sentenceand blacken the corresponding letter on the Answer Sheet.6–-Did you find the film boring?一-Not at all. It was _____