第三课时一、 补全单词。()1. pi_A. ekB. ckC. ke()2. _rthA. eeB. eaC. er()3. dr_veA. aB. eC. i()4. c_reA. aB. uC. i()5. w_steA. iB. eC. a二、选词填空。isare1. There _ many flowers in the park.2. There _ some milk in the cup.shouldshouldnt3. We _ plant more trees.4. We _ waste water.too many too much5. Dont drink _ coke.6. We cut down _ trees.答案：一、1. B2. B3. C4. A5. C二、1. are2. is 3. should4. shouldnt 5. too much6. too many
