281.
Future (18831 candidates)
282.
Egyptian pyramids (933 candidates) 
283.
Las placas tectónicas (654 candidates) 
284.
Tenses: saber / tener (831 candidates) 
285.
Placement test (453974 candidates) 
286.
A / EN (14772 candidates) 
287.
Conjugation : Correct tense (5520 candidates) 
288.
Preposition A (11492 candidates) 

289.
Imperfect or simple past? (44046 candidates) 
290.
Por/Para (27315 candidates) 
291.
Complete : Melting of the glaciers (698 candidates) 
292.
Complete : Chicle gum (1050 candidates) 
293.
Ser / Estar (21310 candidates) 
294.
Blue whale (largest baleen whale) (1607 candidates) 
295.
Present (3952 candidates)
296.
Definite articles (25368 candidates) 

297.
Subjunctive Present (6196 candidates) 
298.
Mistaken words (1002 candidates) 

299.
Impérative (17403 candidates) 
300.
Prepositions (1305 candidates) 

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