Раскройте скобки, употребив правильную форму глагола в Страдательном залоге.

1your bags mustn't be left in the hall 2The postcards of N.Y.are(were) shown to us 3The story of W. is (was)told the pupils by teacher 4Last year a few new subjects were studied by our students 5This building was built by an American architect. 6A lot of books are read by her every year 7How many houses were built here last year? 8Cotton is grown in the south of the country 9When were the prices increased? 10The order should be made before the next month.