JavaScript devre dışı. Daha iyi bir deneyim için, önce lütfen tarayıcınızda JavaScript'i etkinleştirin.

Konuya cevap cer

Mesaj: <blockquote data-quote="saithoca" data-source="post: 183965" data-attributes="member: 44536">One of the most exciting discoveries in language acquisition research in recent years ---- the finding that the acquisition of grammatical structures ---- in a predictable order.A) has been / proceedsB) is / had to proceedC) was / has been proceedingD) could be / was proceedingE) is / might proceed</blockquote>