24.I want to know _________ Jack still lives in that house.A.that B.if C.weather D.where
问题描述：
24.I want to know _________ Jack still lives in that house.
A.that B.if C.weather D.where
答
b
答
B. if
答
这题选if表示是否如果把weather换成whether也对if和whether都可译为\"是否\",二者引导宾语从句时通常可以互相替换,口语中多用if代替whether.例如：Ask if/whether he plans to come to the meeting.而以下几种情况中...
答
选B是否 Cweather错项weather是天气的意思，二whether是是否的意思也可用，她们俩发音相同，不能混淆