The reading room ________ yesterday afternoon. A. cleaned B. is cleaned C. was cleaning D. was cleaned 2. The workers were made ________ ten hours a day. A. work B. to work C. working D. worked 3. Food ________ in a cool place in summer. A. must keep B. mustn’t keep C. must be kept D. mustn’t be kept 4. His father ________ to work in Hong Kong 3 years ago. A. sent B. was sent C. has sent D. has been sent 5. The pen ________ well. A. writes B. is written C. was written D. writing 6. Great changes ________ in the town since 1988. A. have taken place B. have been taken place C. has taken place D. has been taken place 7. Our compositions must ________ next Monday. A. be hand in B. be handed in C. handed in D. be handing in 8. The child will ________ back to his parents next month. A. sent B. send C. be sent D. be sending 9. ________ his work ________ yet? A. have...been finished B. has ...been finished C. has ...finished D. have...finished 10. The classroom ________ now A. is cleaning B. is being cleaning C. is being cleaned D. is cleaned