Make the sentences negative and interrogative. 1) You have cut the grass in the backyard. 2) Our boss has signed the trade agreement. 3) The members of the delegation have arrived. 4) The wind has stopped blowing. 5) All the tourists have paid the admission charge. 6) We have invited the chairman of the charitable organization to our meeting. 7)Alan has downloaded this document. 8) The policemen have captured the burglars. 9) Sarah has recovered from her illness. 10) My parents have left for New York. Зделать до 20.01.21