Đâu là điểm khác biệt giữa một đoạn văn thuyết minh và một đoạn văn tự sự?

Mary helps her grandmother to grow some kinds of vegetables last weekend.

Stockholm dwellers are fortunate to live in one of the greenest capitals in the world.

The athlete’s bitter defeat in the match dealt a blow to his hopes of defending his title at the championship.

I think it’s impossible to abolish school examinations. They are necessary to evaluate students’progress.

Before you begin the exam paper, always read the instructions carefully.

After a free meal ______by a restaurant’s owner, Larry Stewart vowed to help others whenever he could.

I’m sorry I haven’t got any paper money. I’ve ______ my wallet at home.