[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] after [B] since [C] as [D] from
[单选题]A. So B Since C As D Thus
[单选题]_________[A] So[B] Since[C] As[D] Thus
[单选题]A.) BecauseB.) AsC.) SinceD.) Although
[单选题]A. between B beforeC. since D later
[单选题]A. unlessB. sinceC. lestD. although