一、选择。 ( ) 1. -Could you tell me when ________ ? -In ten minutes. A. the bus left B. will the bus leave C. did the bus leave D. the bus will leave ( ) 2. She ________as a great dancer. A. is known B. knows C. is knowed D is knowing ( ) 3.My question ______________yesterday’s homework.. A. has done in B.has to done in C. has to do with D. has done at ( ) 4. New computers ___ all over the world. A. is used B. are using C. ar