Раскройте скобки, употребив правильную форму глагола в Страдательном залоге.

1your bags mustn't be left in the hall2The postcards of N.Y.are(were) shown to us3The story of W. is (was)told the pupils by teacher4Last year a few new subjects were studied by our students5This building was built by an American architect.6A lot of books are read by her every year7How many houses were built here last year?8Cotton is grown in the south of the country9When were the prices increased?10The order should be made before the next month.