【C7】A．beforeB．untilC．afterD．since

【C20】A．beforeB．whenC．sinceD．until

【C18】A．beforeB．aboutC．afterD．at

A．betweenB．untilC．fromD．for

【C5】A．untilB．onceC．afterD．since

【C2】A．BeforeB．OverC．SinceD．From

My father took the photos ______ we lived in Cambridge.A: whenB: untilC: thoughD: since