3.(2011重慶高考)It is still under discussion ______ the old bus station should be replaced with a modern hotel or not.
A.whether B.when
C.which D.where
解析:句意:老汽車站是否應該被一個現(xiàn)代 化的賓館代替仍然在討論之中。由or not可知此處應用連接詞whether,whether...or not意為“是否”。
答案:A
4.(2011江西高考)The villagers have already known ______ we’ll do is to rebuild the bridge.
A.this B.that
C.what D.which