1.
1) We have got six lessons
2) English is the fifth lesson
3) February is the second month of the year
4) My sister is twenty
2.1) -
2)-
3) The second brother can play football well
4) They can see twelve red roses in the park
5) I am in the third form
6)-
3. 1-й - the first
10 -ten
10-й - the tenth
2 - two
1) My friend is ten
2) They have got two angry dogs
3) Monday is the first day of the week
4) October is the tenth month of the year
4. 1) May Day is on the first of May
2) My birthday is on the (лично моё 10 июля,поэтому напишу своё) tenth of July
3) Today is the seventh of April