几道英语题目
1.Hecan'thavegoneout,---thelightisstillon.---D
A.because
B.since
C.as
D.for
2.MotherwasworriedbecauselittleAlicewasill,especially---FatherwasawayinFrance.---A
A.as
B.that
C.during
D.if
3.---wehavecome,let'sstayandenjoyit.---D
A.For
B.As
C.Because
D.Sin
请作一下解析