1.используйте правильный артикль а или  an.
1.  a  banana; 2. orange; 3. plum; 4. apricot; 5. cherry; 6. apple; 7. ; 8. pear.
2.  впиши  неопределенный  артикль:
table, apple, pen, , , girl, boy, orange, cat, , , , , iron, car, owl, doctor, room, desk, sofa, window, aunt, uncle, wolf, evening, tree, flower, eagle, exercise, chair, plane.
3.обведи верное указательное местоимение
this /these is a car.
that / those are planes.
those /that is a whale.
that / those are sharks.
this / these is my guitar.
that / those is an island.
4.  выбери правильное слово.
1. this is easy.           a) questions b) homework
2. these are my neighbors.           a) women b) man
3. what are you doing afternoon?         a) that b) this
4. who's speaking?       a) this b) it
5. these are my glasses and are hers.       a) those b) that
6. we are going to the seaside summer.       b) this a) that
7. man over there is a famous politician.       b) these a) that
5. напишите эти предложения во множественном числе.
образец: this is a cat. these are cats.
that is a car
this is a
that is a star
this is his
that is his pen.
this is a sheep.
that is a child.

answer:

#1

#2

a table,an apple,a pen,a pencil,an elephant,a girl,a boy,an orange,a cat,a flat,an umbrella, an engineer, a teacher, an iron, a car, an owl, a doctor,a room,a desk,a sofa, a window, an aunt, an uncle,a wolf,an evening,a tree,a flower, an eagle, an exercise,a chair,a plane.

#3

this is a car.

those are planes.

that is a whale.

those are sharks.

this is my guitar.

that is an island.

#4

1. this is easy.          

b) homework

2. these are my neighbors.        

a) women

3. what are you doing afternoon?        

b) this

4. who's speaking?    

b) it

5. these are my glasses and are hers.    

a) those

6. we are going to the seaside summer.    

  b) this

7. man over there is a famous politician.      

a) that

#5

that is a car .those are cars.

this is a dog.these are dogs.

that is a star.those are stars.

this is his pencil.these are his pencils.

that is his pen.those are his pens.

this is a sheep. these are sheep.

that is a child.those are children.

объяснение:

a- ставится перед согласной

an- перед гласной

this(ед.ч.)-these(мн.ч.)

that(ед.ч.)-those(мн.ч.)

1. natural disasters cannot be prevented, but we can be prepared for them. 2. first of all, we can donate money, food or clothing to charitable foundations. the houses of the victims will be destroyed. 4. it seems to me that on the internet you can tell about your problem, about the disaster that happened. 5.yes at this time there are so many films about natural disasters such as "geostorm", "towards the storm" and so far.6. in my opinion, the worst natural disaster is hurricanes and earthquakes, because people's homes will be destroyed.