【正文】
( ) 1. Usually puters _____________ to search the Inter. A. use B. are using C. are used ( ) 2. Trees and flowers ____________ every year to make our country more beautiful. A. clean B. cleans C. are cleaned ( ) 3. Today Chinese ______________ by more and more people around the world. A. speak B. is spoken C. are spoken ( ) 4. — Make sure all the lights ___________ when you leave the room.— OK, I will. A. turn off B. are turned off C. are turned on ( ) 5. The baby ______________________by his grandma. A. is looked after B. are looked after D. look after IV. 把下列句子改為被動語態(tài) play football on Sunday. _____________________________________________ does the homework in the evening. _____________________________________________ often use puters in class. _____________________________________________ make these machines in Beilun.