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exercises of part A . 2. Check the answers and ask them to read the sentences aloud . 3. Do more exercises : (1)Tom often helps Jenny when she is in trouble (2)I bought a puter last week . (3)The whole cake was eaten by Eddie yesterday . (4)Many trees are planted by students and teachers every year. (5)She takes good care of the children . Answer : ORBIS doctors (1)Jenny is often helped by Tom when she is in trouble . (2)A puter was bought by me last week . (3)Eddie ate the whole cake yesterday . (4)Students and teach er