问题补充:
His ability has never been in doubt----the question is or not he is prepared to work hard.
A. that
B. if
C. where
D. whether
答案:
A. that
B. if
C. where
(答案→)D. whether
解析:whether与or not可以连用,if与or not不可以连用,其他的选项都不与or not连用。故选D。
时间:2023-11-18 00:19:59
His ability has never been in doubt----the question is or not he is prepared to work hard.
A. that
B. if
C. where
D. whether
A. that
B. if
C. where
(答案→)D. whether
解析:whether与or not可以连用,if与or not不可以连用,其他的选项都不与or not连用。故选D。