29.-Li Ming has never been late for his class,_______?-_______.He has been very hard-working since he came to the university.A.has he; Yes B.has he; No C.hasn't he; Yes D.hasn't he; No 首先翻译一下 然后说明选的原因 不选的原因
问题描述：
29.-Li Ming has never been late for his class,_______?-_______.He has been very hard-working since he came to the university.A.has he; Yes B.has he; No C.hasn't he; Yes D.hasn't he; No 首先翻译一下 然后说明选的原因 不选的原因
答