【38】A．andB．forC．sinceD．but

【C4】A．andB．butC．sinceD．while

A．andB．orC．soD．but

材料题请点击右侧查看材料问题 查看材料A.since．B.forC.bec

It has been raining ______ last Saturday.A、onB、 forC、tillD、 since

【C6】A．andB．orC．forD．but

The oil must have been used up,______the light went out.A．becauseB．forC．sinceD．as