Эпл-яблоко.а лучше посмотрите в словаре
Helen is learning an English poem now.
The children are looking at the blackboard now.
Mary is opening the window now.
My parents are working now.
I am singing a song now.
The boys are playing table-tennis now.
The pupil is writing a composition now.
I am speaking English now.
My parents are cooking dinner now.
Mary and Ann are helping their mother at home now.
Detectives catch criminals.
Postmen(множественное число) deliver letters to people.
Scientist learn more about rare plants.
A chef cooks food for people.
A teacher teaches English at school.
Doctors look after sick people.
Engineers design cars.
Если бы машин в городе было меньше, то воздух был бы чище.