when Tom arrived,he learned Jane____ for almost an hour

when jack arrived,he learned Mary___for almost an hour.请问这个选 When Jack arrived he learned Mary __________ for almost an h 英语单选 1.When Jack arrived he learned Mary ______ for almost a 6.When we got to his home,we learned he ___ for almost an ho When Kate arrived at the bus stop,the bus for half an hour.a When we ______,they ______ there for an hour.A.arrived;had b He has been _______ his memory for almost half an hour,but h the bus he was waiting for over half an hour arrived only a 4.When Jack arrived,he learned Mary ________ f Jim kept me ____(wait) for almost half an hour we have been waiting for almost an hour. He started to read books.He __ read for about an hour,when s