Напишите вопросы используя таблицу am, ls, are

i have been to paris. i was there two months ago. i visited louvre and versaille. i saw eiffel tower and went to champs elysees.

1.i see the plane in the sky.

2. a lot of factories polute our atmosphere.

3. sun is the biggest star in our galaxy.

4. people went to the moon in the 20th century.