连词成句。 1. are blue what the parts ____________________________________? 2. too different there plants are many animals and ____________________________________.
判断题。 1. sheep和see中的“ee”字母组合发音相同。(____) 2. We should stop throwwing rubbish. (____) 3. Can we do something to help the Earth? (_____) 4. The Earth is a beautiful place. (_____)