【正文】
框中所給單詞的適當(dāng)形式填空cleverlazyrelax, lazy, clever, friend, sleepfriendlyrelaxedasleep/sleepingⅢ . 單項(xiàng)填空( )1. I like dolphins. They are ________ to us.A. friend B. friendlyC. unfriendly D. friends( )2. The student is very ______. He doesn39。t do his homework.A. lazy B. ugly C. clever D. shyBA( )3. —________ do you like playing ping173。pong?—Because it is relaxing.A. How B. WhenC. Why D. Where ( )4. You must be ________ in the classroom.A. quite B. quietC. quitely D. quietlyC