【单选题】We all probably have a lot of T-shirts, but do you ever stop and think about the influence of a T-shirt on the planet? You’d probably be surprised to learn what’s involved in the life cycle of just on...
【简答题】Fill in the blanks with correct forms.用括号内单词的适当形式填空。如果答案不止一个,在答案之间打一个英文逗号“,”,再空一格。例如:A, B 1. This is the house where Peter and Mary live. It is ______(they) house. 2. Be quiet! The baby __________(sle...