Using linking words is essential for A2. Notice the usage in the text:

When telling a story, always try to use first, then, finally (D'abord, ensuite, enfin) to structure your sentences.

Reliable resources come from official institutions and specialized education hubs. These typically include sample papers, vocabulary checklists, and grammar guides. DELF A2 French Syllabus Overview | PDF | Grammar - Scribd

On Saturday morning, we went for a long walk. We saw magnificent landscapes and we took many photos. At noon, we ate sandwiches in a small restaurant by the river. It was delicious!