Adverbs cerca and lejos
cerca (de) - near / close (to)
lejos (de) - far (from)
Mi casa está muy cerca del parque. (My house is very close to the park.)
China está muy lejos de Nueva York. (China is very far from New York.)
Progress, Vol. 3
Progress, all volumes
Interleaving
Drilling one topic until it feels easy is tempting, but mixing different topics together builds more flexible, durable knowledge. The variety forces your brain to work harder, and that's what makes it last.