выразить в passive voice,срочно даю 63 балла

2 . Their clothes_____ in twenty minutes . ( wash )
3 . The students _____there because they were on holidays . ( not to see )
4 . Our plans must_____ ( change )
5 . A small field and a house_____ potatoes and corn there . ( rent ) and they grew
6 . In the spring of 1846 potatoes_____ again but the harvest was terrible . ( grow )
7 . When they were ready to leave , her list ______( check ) .
8 . Aunt Margaret _____ in Miami yesterday . ( telephone ) -
9 . A barbecue party _____ next week . ( give )
10 . The tests and essays______ every week . ( not write )
11 . They were sitting in the living room because supper _______ ( not finish ) .
12 . In all hotels the bills ______ in advance . ( pay )
13 . Last week the plans______ and to the builders . ( draw , send )
14 . Last year a bank _______ in Market street . ( rob )
15 . Newspapers and magazines ______ in News stand . ( sell )
16 . Paper , tins , bottles , and plastic bags ______ usually in the ponds , rivers and in the woods , so the nature - ( throw , leave , pollute )
17 . When they arrived at the theatre , their tickets____ ( check ) .
18 . They had a small talk before the meal _____( serve ) .
19 . Mr . Potter called from the living room , " Look , the desk_____ the papers_____ on the floor , the money ( break , throw , go ) . "
20 . This game can_____ whenever . ( play )
21 . The factory ______ in a week . ( close )
22 . Old people____ always_____ ( look after ) .
23 . Rules must _____( observed ) .
24 . The ambulance arrived and he______quickly______ into the ambulance and to the hospital . ( put , take )
25 . A few minutes later a big cake______ in . ( bring )
26 . I asked him how the house______ ( heat ) .
27 . Sally and Susan_____ first last year . ( see )
28 . Yesterday night all the rooms in the hotel______ ( book ) .
29 . She went up to her room when the fire ______( notice ) . ​