72. ----When shall I finish my homework?

　 ----It _________ (must do) as soon as you can.

71. ----Jack , can I use your bike?　 ----I ’m sorry. I　　　 　(lend ) it to Pingping.

70. ----Where is Helen leaving for tomorrow?

---- I heard he 　　　　　(fly) to the USA for his holiday.

69. ----Do you know where Jim is?

----He with Tom　　　 (clean) the windows.

68. ----I haven’t seen Miss Yang for a long time ?

----Don’t you know he __________ (send) to help the poor areas in the west last year?

67. ----It’s time for supper. But where is Miss Wang?

---- She’s in the office. She won’t leave till the work 　　　_____ (finish).

用括号内动词的适当时态或语态填空。

66. ----Did you see the film last night?

----Yes .It’s wonderful, so I 　　　(see) it again if I’m free.