[单选题]38 A if B before C since D after
[单选题][A] by [B] after [C] for [D] with
[单选题]A.) byB.) afterC.) ofD.) for
[单选题][A] what [B] since [C] as [D] that
[单选题]A. since B if C before D as
[单选题]A.) sinceB.) ifC.) beforeD.) as
[单选题]___________A.] when[B] since[C] for[D] whereas
[单选题][A] During[B] For[C] At[D] Since
[单选题][A] in [B] by [C] after [D] over
[单选题]__________[A] at [B] for [C] after [D] with