What did Robert want to show with his video on YouTube?
A、Dogs’conflict with other pets.
B、Dogs’naughty behaviors.
C、Dogs’trust in their owners.
D、Dogs’apparent guilty looks.
What was the biggest change in the tortoises in Paragraph 6?
A、They showed abnormal behaviors.
B、They had serious liver problems.
C、They lost their appetite for food.
D、They had obviously lost weight.
1. Directions:In each of the following groups of words, there are four underlined letters or lettercombinations marked A, B, C and D. Compare the underlined parts and identify theone that is different from the others in pronunciation. Mark your answer by blackeningthe corresponding letter on the Answer Sheet.()