We're looking for the most suitable unit for each item. Here's how we can fill in the blanks:

1. Would you like another glass of water? - We usually measure liquids in glasses.
2. I'd like two glasses of lemonade, please. - Again, glasses are a common unit for serving drinks.
3. My grandmother gave me a jar of jam yesterday. - Jam is often stored in jars.
4. You may need three sheets of paper to write your essay. - Paper is typically counted in sheets.
5. He usually has two slices of bread for his breakfast. - Bread is often cut into slices.
6. My boyfriend gave me a bar of chocolate last week. - Chocolate is often sold in bars.
7. You need at least two gallons of petrol to run this machine. - Petrol (or gasoline) is usually measured in gallons or liters.
8. There are some grains of sand in my tea. - Sand is made up of tiny individual grains.
9. My mom told me to buy a bar of soap. - Soap is often sold in bars.
10. There is a pinch of pepper in the cupboard. - A pinch is a small amount, often used for spices.

We need to choose the correct form of the noun for each sentence.

1. Can you hear a noise just now? - We use "a noise" to refer to a single sound.
2. That's a good idea. - "Idea" is an uncountable noun, but we often use "a good idea" to refer to one specific idea.
3. If you want to hear the news, please surf the Internet. - "The news" refers to the general news broadcast.
4. Light comes from the Sun. - "Light" is an uncountable noun.
5. The house is built of stone. - "Stone" is an uncountable noun when referring to the material.
6. We had a wonderful time in Da Lat. - We use "a wonderful time" to refer to a specific period of enjoyment.
7. Let me give you advice. - "Advice" is an uncountable noun.
8. His job is to put out fires. - "Fires" refers to multiple instances of fire. We call him a fireman.
9. We usually buy three loaves of bread at the weekend. - "Loaf" is a countable noun, so we use "loaves" for plural.
10. They had to mend the roofs of the houses after the storm. - "Roofs" is the plural form of "roof".