29.Lighting (strike) …………………… the tree that they (shelter)
……………………under. Of course, they (have) ……………… a
terrible fright, but they (be) ……………… very lucky. No harm
(come) ……………………to them at all.
30.When I (arrive) ………at his house, he still (sleep) ……………….
31.The light (go) ……………………out while we (have)
……………………dinner.
32.Bill (have) ……………breakfast when I (stop) …………… at his
house this morning.
33.As we (cross) ……………………the street, we (see) …………………
an accident.
34.Tom (see) …………… a serious accident while he (stand)
……………… at the bus stop.
35.While my father (read) ……………… a newspaper, I (learn)
…………… my lesson and my sister (do) ……………… her
homework.
36.The children (play) …………… football when their mother (come)
……………back home.
37.The bell (ring) ………………while Tom (take) …………… a bath.
38.I (be) ………very tired because I (work) ………… all day yesterday.
39.He (sit) ……………in a cafe when I (see) ………………… him.