I haven’t had a phone in the house for three weeks now, and it’s several days ____I used a phone box last time.
A.as | B.when | C.if | D.since |
相关知识点
推荐套卷
I haven’t had a phone in the house for three weeks now, and it’s several days ____I used a phone box last time.
A.as | B.when | C.if | D.since |