9класс. . put the verbs into the present perfect passive 1) this notice (to write) by sandy this morning 2) polly just (to send for) 3) tony (not to see) by anybody at school today 4) the trousers (not to iron) yet

becky didn't play puzzles yesterday.

1. in 1995 java was licensed by netscape for use in their internet browser, navigator. 2. basic has been extended by microsoft in its visual basic product. 3. perl was developed by lary wall in 1987. 4. specific problems are not solved by systems software. 5. in the last ten years, speed trap units have been installed by police on many busy roads.