Put one suitable prepositon to compele the sentence
1, She went out the room...... saying a word.
2, He hasn't contacted me......... two days ago.
3, She was born...... 2 o'clock..... 18th July.
4, Mary is thinking..... importing flowers..... other countries.
5, They are traveling.......... the airport......... a bus.
6, Iam afraid..... ghost.
7, Lan's family came to this city..... 1985.
8, He had a lot of troubles with English...... the eginning.
9, The doctor looks....... sickpeople.
10, It is about 30 kms from Ha Noi ........... my house.