Put the appropriate word in place of each blank.
Operation Clean-Up
(a) All cleaning equipment such ___ rags, mops, brooms, buckets, dust-pans should ___ made ready beforehand.
(b) Class teachers may instruct their pupils
__ help in cleaning the rooms. However, pupils ___ not be asked to ___ any work __ would in any way endanger their safety.
(c) Teachers without classes may
__ prefects or other pupils __ perform certain tasks.
(d) Should teachers find any damaged furniture, broken doors, faulty switches
__ blown lamps, they ___ requested to ___ a written note __ the school office immediately.
(e) When cleaning the classrooms, pupils ___ clean: (i) all the window-panes; (ii) the floor
__ the classroom; (iii) ___ blackboard; (iv) all lights; (v) all desks and (vi) cupboards. Pupils should also ___ told to ___ cobwebs from corners and to dispose __ old or unwanted books, files and test-papers.
(f) Some teachers
__ be required to supervise the __ of two or more places.
(g) Teachers
__ requested __ remove all old books, files and test-papers from the staff-room
__ least one day __ Operation Clean-Up.
I am a Taiwanese Teacher of English. I am reading Using English in the Classroom on my own. The above question are quoted from that book. There is no Key at the end of the book. Can any native speaker tell me the acceptable answers?