Here are the suggested prepositions to fill in the blanks:

1. It closes **at** about half **past** four.
2. Can you help me wash **these** dirty glasses?
3. We look **up** the new words in the dictionary.
4. You shouldn’t eat and watch TV **at** the same time.
5. These cards are in alphabetical order and **by** author.
6. Schools in Vietnam are different **from** those in the USA.
7. What is your date **of** birth? - November eighth.
8. Farmers are very hard-working. They work from morning **until** night on their farms.
9. I like to live **in** the countryside because people there are more friendly.