There are many ways to raise funds for charity.

• Explanation: "Raise" means to collect or bring together (money, in this context). "Rise" means to move upwards, which does not fit here.

We can protect the environment by recycling.

• Explanation: "Recycling" means processing used materials into new products. "Recircling" is not a correct word in this context.

There are many homeless children that need community help.

• Explanation: "Homeless" refers to children without a place to live. "Homesick" refers to someone who misses their home.

It's not good to litter around.

• Explanation: "Litter" means to throw trash in inappropriate places. "Little" means small in size, which doesn’t fit the context.

How often do you clean your house?

• Explanation: "Clean" means to remove dirt and tidy up. "Clear" generally means to remove items, but "clean" is the appropriate choice for house maintenance.

When people do community service, they feel useful and proud.

• Explanation: "Do" is used for activities like "community service." "Make" is used for creating something.

Students can make and sell postcards to help local children.

• Explanation: "Sell" means to exchange something for money. "Shell" is the outer covering of nuts, eggs, etc., and is not correct here.

We can help and make the elderly less lonely.

• Explanation: "Lonely" means feeling alone. "Alone" means being by oneself, which doesn’t convey the emotional state.

What should we exchange for a plant?

• Explanation: "Exchange" means to give one thing and receive another in return. "Change" generally means to make something different, but "exchange" fits the context of trading.

I have 5 thousand Dong every day to help street people.

• Explanation: "Every day" (two words) means each day, which is correct in this context. "Everyday" (one word) is an adjective meaning common or usual, which doesn't fit here