Пожалуйста. Очень нужна помощь.

Гарантий не даю

1) at, on
2) at, on
3) by, at, in order to, on
4) by
5) on, in
6) in

1) would go
2) speak
3) get on
4) could switch
5) comes
6) met
7) were
8) не знаю

Fill in the gaps with the correct prepositions.
At (3) * for * in (2) * on (4) * by * in order to
1. We will have to leave the house _at__ six o’clock at least to get to the airport _in___ time to catch our flight.
2. The baby was born _at___ 1 p.m. _on___ New Year’s Eve.
3. One of my classmates comes to school _by__ bus. He says that he has to leave his house _at__ half
past six every morning in order to_ be _in__ time for school.
4. My friend goes everywhere _on__ foot.
5. My eldest sister is _on__ holiday in China. She will be there _for___ a week.
6. This book was published _in__ August 1984.
Ex. 4. Complete the conditional sentences.
1. If I had time, I would go shopping with you.
2. If you speak English, you will get along with them perfectly.
3. If you get on well with them, you will soon become a part of their team.
4. If they had gone for a walk, they would have switched the lights off.
5. If she comes to see us, we will go to the zoo.
6. I would have told you if I had met him.
7. If I were you, I would help them to clean the classroom.
8. I would have finished this work earlier if you had helped me.