Doctors, teachers, and police officers are the most important jobs. The speaker likes the food in his/her school canteen.
A security guard Owen is the first person who welcomes school children at school.

i am  lying.i am doing homework.it is raining right now.i am going to gym  at the moment.

вот список глаголов(но существуют и исключения), которые не используются в continuous tenses:

wantlikebelongknowsupposeneedloveseerealizemeanforgetpreferhatehearbelieveunderstandrememberseemhave (если в значении ‘владеть’)think (в значении ‘полагать’)

некоторые из этих глаголов могут употребляться в сontinuous tenses, если они означают:

to think – “обдумывать”to see – “встречаться”to have – в таких выражениях, какto have breakfast, to have dinner, to have a good time,to have supper, to have troubles, и т.д.

two bears, two elephants, five parrots, three tigers, four foxes

the teenage period is the most important in our life. at this age people form their characters, interests. this time people especially need good advices and cure. it's a period when the person isn't a child, but he is becoming an adult. there are a lot of teenage problems. for example smoking, drugs, alcohol, generation gap. everybody knows them, but not everybody wants to pay attention on them. nowadays i think we should to do it. we should to spend special disscussion on this theame in inducation institution, to toughen punishment measures, but at the same time not to make them to do something.

he's traveling on the 8 o'clock train

she is afraid of traveling by plane

do not lean out of the window

walk in the pavement