1she the cake that was left. eat 2 he harm than good. do 3 she lips. bite 4 where documents? they hide 5 i it since yesterday. not/ know 6 the wild geese away. fly 7 the two sisters ? grow 8 somebody mobile. steal 9 the river we can cross it easily. freeze 10 we over two hours. sing использовать present perfekt
has done
has bitten
have they hidden
haven't known
has flown
have grown
has stolen
has frozen
have sung