3 Lan, I (not be)............. able to contact you that day. - I (do).................research in the library

4 When I (get)..................... Up this morning, it(rain)...........

5 We (not see).................... Lan in the hallway during recess. Maybe she (drink)................. something

6 The lights (go............... Out while we (have) ............dinner. There (be)............a power failure

7 Mr. Brown (climb)................ Up a tree when he (fall)............. Down and (hurt).......... Himself

8 At this time last week, we (lie)................... on the beach sunbathing

9 While I ( not look) .............someone (take)............... My briefcase

10 We (be).......on the beach. Lost of people (swim)............in the sea. My friends(play).............catch and I(lie)............looking up at the floating clouds. All of a Sudden, we(hear) ................someone scream for help. We all (run)..........to getsome lifebuoys and (rush) ....................to rescue the drowning girl