1) We were having dinner when she _________________________. a) arrived b) was arriving c) arrives d) is arriving 2) When the war broke out, we ____________________________ in Hiroshima. a) lived b) were living c) live d) are living 3) I ____________________ to the concert when somebody knocked at the door. a) listen b) was listening c) have listened d) listened 4) He was driving very fast when the accident _____________________. a) happens b) is happening c) has happened d) happened 5) They _________________ tennis when we _____________ there. a) play / got b) have played / were getting c) were playing / got d) played / are getting 6) My son __________ his knee badly while he __________________ his bicyle yesterday. a) was hurting / rode b) hurt / was riding c) hurts / is riding d) has hurt / rides 7) While the scientist ______________ in her laboratory, she accidentally ________________ a discovery. a) was working / made b) is working / was making c) worked / is making d) has worked / makes 8) At half past eleven, he ______ still ______________ his homework. a) is / do b) has / done c) do / did d) was / doing 9) While Eva ..............at clothes, Pops .................. to tell a stroy. a) looked/ started b) was looking/ was starting c) was looking/ started d) looked/ was starting 10) The princess............ an accident while she ............... a) had/ was dancing b) has/ was dancing c) was having/ danced d) having/ dancing 11) A snake ................. them when the princess ...................into the river. a) was watching/ was falling b) watched/ was falling c) watching/ was falling d) was watching/ fell 12) Eva ............... on the necklace when the princess Zara ............. a) putting/ appear b) was put/ appearing c) was putting/ appeared d) put/ appeared

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