Fill in the blanks with appropriate prepositions.(用适当的介词填空) 1. John was criticized by his teacher this morning, for he was late _____ class again. 2. He has been absent _____class several times this month. 3. The noise outside the house kept me______on sleeping at night. 4. Mary has decided to devote her life ______caring for the sick. 5. We are required to translate this passage of Chinese________ English. 6. Do you know what WHO stands_______? 7. He became very tired ______working long hours, so he fell asleep immediately. 8. The question is too difficult. It is ________ children's understanding. 9. She succeeded ______making her partners accept all the conditions she had offered. 10. His parents enjoy their life and work _______the farm.