[周报1期'T'33] Henry wanted to know _______to control the ship in the storm.A.that it is hard B.whether it was hard C.if it is hard D.when was it hard 为什么选B不选C?请详细分析.

来源：学生作业帮助网编辑：六六作业网时间：2024/12/26 11:30:27

[周报1期''T''33]Henrywantedtoknow_______tocontroltheshipinthestorm.A.thatitishardB.whetheritwashardC.ifit

[周报1期'T'33] Henry wanted to know _______to control the ship in the storm.A.that it is hard B.whether it was hard C.if it is hard D.when was it hard 为什么选B不选C?请详细分析.
[周报1期'T'33] Henry wanted to know _______to control the ship in the storm.
A.that it is hard
B.whether it was hard
C.if it is hard
D.when was it hard
为什么选B不选C?请详细分析.

[周报1期'T'33] Henry wanted to know _______to control the ship in the storm.A.that it is hard B.whether it was hard C.if it is hard D.when was it hard 为什么选B不选C?请详细分析.
1.if/whether表示“是否”时,都可以引导该题中的宾语从句.
且该题的宾语从句中并没有Or之类的单词,所以if/whether都是可以使用的.
2.选B不选C的原因在于：宾语从句时态必须和主句时态一致.
此题主句为一般过去时（wanted）,所以其宾语从句也必须改成相应的过去时态.
而C错在is,表明从句是一般现在时.
B为was,表明从句是一般过去时.

从句作介词宾语只能用whether不用if

从句表示“是否”不能用if，if表示是否只能是连接词

[周报1期'T'33] Henry wanted to know _______to control the ship in the storm.A.that it is hard B.whether it was hard C.if it is hard D.when was it hard 为什么选B不选C?请详细分析. 语文周报33期答案语文周报33期答案高三外研英语周报33期九年级英语周报33期答案英语周报答案 33期重庆专版高1英语周报23期答案英语周报 24期英语周报期答案英语周报 30期求高一英语周报外研版第55期（2013-2014）答案T^T 四川的高一英语周报第33期答案语文周报八年级33期答案人教版数学周报人教七下33期答案下载不了数学周报人教版八年级第33期答案英语周报2013-2014高三外研版第33期总第3217期答案英语周报2013-2014高三外研版第33期总第3217期答案人教高一英语必修1周报2期答案求英语周报人教版高二第1期unit1答案我急着用呢