My friend asked me how much the T-shirt was____but I forgot.A worth B worthy C cost D needed为什莫选A 而不选C呢?

My friend asked me how much the T-shirt was____but I forgot.A worth B worthy C cost D needed为什莫选A 而不选C呢?
My friend asked me how much the T-shirt was____but I forgot.
A worth B worthy C cost D needed
为什莫选A 而不选C呢?

My friend asked me how much the T-shirt was____but I forgot.A worth B worthy C cost D needed为什莫选A 而不选C呢?
be worth +钱数,意思是值多少钱.
要是用cost的话,前面不应该有was,可以说:my friend asked me how much the t-shirt cost but I forgot

后面有个but啊

cost前不能加be动词，只能是“物”+cost

worth [简明英汉词典]
[wE:W]
prep.相当...价值
n.价值, 财产
adj.值钱的, 值的看中的
cost [简明英汉词典]
[kCst]
n.成本, 价钱, 代价
vt.价值为, (使)花费(金钱,时间,劳力等), 使失去(生命,健康等), 令人付出
vi.花费
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worth [简明英汉词典]
[wE:W]
prep.相当...价值
n.价值, 财产
adj.值钱的, 值的看中的
cost [简明英汉词典]
[kCst]
n.成本, 价钱, 代价
vt.价值为, (使)花费(金钱,时间,劳力等), 使失去(生命,健康等), 令人付出
vi.花费
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cost前面就不用加be动词了
一般用作 sth. cost(s) 金钱/时间
be worth 值多少钱
be worthy 值得的

有个was 不用COST，
因为用cost 的话，直接用
My friend asked me how much the T-shirt cost,but I forgot.就好了。
而Be worth +sth/money 是一个词组，表示值多少钱~~

My friend asked me how much the T-shirt was____but I forgot.
A worth B worthy C cost D needed
咱们可以把这个句子改成陈述句来看，选A的话是The T-shirt was worth+价格
而选C的话就是The T-shirt was cost+价格，而根据cost的用法，应该是s...

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My friend asked me how much the T-shirt was____but I forgot.
A worth B worthy C cost D needed
咱们可以把这个句子改成陈述句来看，选A的话是The T-shirt was worth+价格
而选C的话就是The T-shirt was cost+价格，而根据cost的用法，应该是sth cost some money，加了was 就不对了
所以是A

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A
1. worth： be worth + n. 当名词为金钱时，表示"…… 值得……"
be worth doing sth. "……某事值得被做"
The question is not worth discussing again and again.
2. worthy：be worthy of +n. 当名词为抽象名词时表示"……值得……"

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A
1. worth： be worth + n. 当名词为金钱时，表示"…… 值得……"
be worth doing sth. "……某事值得被做"
The question is not worth discussing again and again.
2. worthy：be worthy of +n. 当名词为抽象名词时表示"……值得……"
be worthy to be done "某事值得被做"
The question is not worthy to be discussed againand again
3.cost的主语是物或某种活动， 还可以表示“值”， 常见用法如下：(1)sth. costs (sb.) ＋金钱,某物花了（某人）多少钱。例：A new computer costs a lot of money. 买一台新电脑要花一大笔钱。(2) (doing) sth. costs (sb.) ＋时间,某物（做某事）花了（某人）多少时间。例：Remembering these new words cost him a lot of time. 他花了大量时间才记住了这些单词。

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