共 50 条
- [21] CURRENT USAGE OF THE SIMPLE PAST AND PRESENT PERFECT AND ITS RELEVANCE FOR TEACHING-ENGLISH AS A FOREIGN OR 2ND LANGUAGE CANADIAN MODERN LANGUAGE REVIEW-REVUE CANADIENNE DES LANGUES VIVANTES, 1984, 40 (03): : 374 - 385
- [29] SOME APPROACHES TO TEACHING STANDARD ENGLISH AS A 2ND LANGUAGE ELEMENTARY ENGLISH, 1964, 41 (07): : 728 - 733