Look at the title of the text on p. 106

№3 (a)

to do a crossword 

a crossword is done

is a crosswod done?

a crossword is not done

to read a book

a book is read

is a book read?

is  the book written?  

a book is not read

to recite a poem

a poem is recited

is a poem recited?

если надо поменять время, то принцип тот же

2)mary works in paris.she is having a meeting in rome.

3)natalie runs  regularty. she is training for the olimpics

4)peter delivers letters. he is having lunch

the university of california and the state university of new york are two examples of such public schools. 5 речення

impossibility, invisible,to increase,often,presence,unknown species,to blight,non-coordination