问题
选择题
—I’m not sure ______ Bill will come or not.
—No, he isn’t.
A.when
B.if
C.whether
D.weather
答案
答案:C
题目分析:句意:我不确信是否比尔来还是不来。他不来。A. when何时B. if 是否C. whether是否,经常和or not 连用D. weather天气。根据句意及回答,故选C
—I’m not sure ______ Bill will come or not.
—No, he isn’t.
A.when
B.if
C.whether
D.weather
答案:C
题目分析:句意:我不确信是否比尔来还是不来。他不来。A. when何时B. if 是否C. whether是否,经常和or not 连用D. weather天气。根据句意及回答,故选C