1) - b (Present continuos passive)
2) - a (Present simple passive)
3) - a (Past simple passive)
0 was meeting and offered said have just had 13 was reading enjoyed 14is stopping 15has not smoked 16arrived has started 17 is 18had you locked left 19were your wearing insisted left had cut worn 20have been going out 21begin last 22 have missed 23broke 24has worked retired went 25had you been .spent 26 do not see tells 27did you find found did not you leave28lost did you see did you last wear wore left 29was leaving was going do not see is going 30did not you bring have not you tiped
1) computers are used by students at their lessons.
2) the rules of the game were explained by teather to the students.
3) a special dinner is cooced by Ann on the 21st of May.
4) a nice picnic was arraned by they last month.
5) these funny pictures were drawn by little boy.