约翰霍普金斯大学cty:英语4选1(should, had better, must, have)
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You _______ to tell me the truth if you want my help.
A. should B. had better C. must D. have
答案是D 我选了B
A. should B. had better C. must D. have
答案是D 我选了B
should ,must都是情态动词后面要加原形
had better + do
而have to是固定搭配表示不得不
意思上,你不得不告诉我真相如果你需要帮助。意思通顺,故选D
you had better + do sth, have to 是不的不,必须之意,根据题意就该选D
B 表示“识相的就告诉我实情”,语气太刚烈;
D 表示“必须,有义务这样做”,是得到我帮助的前提。
have to do sth.
had better do sth.
should do sth.
must do sth.
有to 的话,当然要选have
若没有to 四个都行,主要再考虑语境
HAVE TO DO STH = SHOULD DO STH = HAD BETTER DO STH = MUST DO STH
意思上差不多,但只有HAVE 可以跟TO
英语4选1(should, had better, must, have)
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