题目内容
---When did you see the bird last night?
---It was at about ten thirty ______ I got home.
A.before | B.when | C.that | D.until |
B
解析
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题目内容
---When did you see the bird last night?
---It was at about ten thirty ______ I got home.
A.before | B.when | C.that | D.until |
B
解析