22.They kept trying _____ they must have known it was hopeless.为什么用WHEN?

22.They kept trying _____ they must have known it was hopeless.为什么用WHEN? They kept trying _____ they must have known it was hopeless.A. if B. because C. when D. where xxandxx kept trying to sit next to xx翻译 He kept __(run)after ,trying to catch her they were eagerly trying to buy They kept their plan dark.英译汉They kept their plan dark.译成汉语是何意? kept I was trying to daydream,but my mind kept wandering是什么意思 they just show that they are trying to be friendly提问that they are trying to be friendly They urged that the library _________ open during the vacation.A.must be kept B.is kept C.would be kept D.be kept 1.they kept trying ____they knew it was hopelessA when B till C as D unlessB为什么不行?2.the foods eaten in any country depend largely on ____it grows best in tis climate and soilA when B what C how D where,D可以么.做宾从、为啥非选A 3 汉译英 英译汉 1 Do the rewards of teaching outweigh the trying moments?2When the material is the same ,I change and,more important ,my students change.3)They kept diaries.4)tasex,pace,stubbory,学费,创造的,无辜,editorialist vital 5）她 they kept the door locked,door与locked的关系 the old man kept in (s )when they asked tthough it was late,they kept on working They kept to ask me a lot of questions改错! They are trying to keep order翻译成汉语 trying time will pass ,as they always do