(6/7) b.since c.when d.until 7.___,he talks a lot about his favourite singers after class.
问题描述：
(6/7) b.since c.when d.until 7.___,he talks a lot about his favourite singers after class.
(6/7) b.since c.when d.until
7.___,he talks a lot about his favourite singers after class.
a.A quiet student as he may be
b.Quiet student as he may be
c
答
.A quiet student as he may be,he talks a lot about his favourite singers after class.