Open Cloze — Practice

Remarkable (1) it may seem, the human brain is capable of processing language at extraordinary speed. No (2) has a child heard a word a few times (3) it becomes part of their vocabulary. This phenomenon, known (4) "fast mapping", allows children to acquire roughly ten new words a day. What is (5) more remarkable is that this process occurs with (6) or no explicit instruction. Were it not (7) this innate ability, language acquisition would take decades rather (8) years.