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BE up to的用法

不是,it做其形式主语只是其中的一种用法。 1、be up to 表示“从事于,忙于”,后面接名词、代词或-ing形式等。 如:All of us are up to good deeds.我们所有人都在做有益的事情。 Go and see what these naughty boys are up to.去看看这些顽皮...

be up to [常用词义](忙于)做„„;从事„„ be up to中的to是介词,后需接名词性结构。 如: What were you up to last week? 你上周在做什么

be up to [常用词义](忙于)做„„;从事„„ be up to中的to是介词,后需接名词性结构。 如: What were you up to last week? 你上周在做什么

be up to 胜任;该由…负责;轮到…;从事,忙于 So far, they appear to be up to the task. 到目前为止,他们表现出承担了这一任务。 But they said this would be up to those device makers. 但是他们表示,这将取决于那些设备制造商 There ca...

be up to something [英][bi: ʌp tu: ˈsʌmθiŋ][美][bi ʌp tu ˈsʌmθɪŋ] 策划(忙于)某事 双语例句 1 Dont ever get too comfortable with the status quo, always be willing to blow it up and s...

be up to sb to do be up to“由……决定;胜任”。 例如:It's up to you to decide.

up to 多达 I can take up to four people in my car. 我的汽车最多能坐四个人。 直到 Up to now he's still quiet. 他直到现在仍保持沉默。 在于…, 取决于… This is up to you. 这件事取决于你。 能胜任 He's not up to the work. 他不能胜任这...

be up to 胜任,从事于; 例句: I'll be up to see you tomorrow. 我明天来看你。 If we stay, we'll be up to our necks. 如果我们还呆在这里, 我们就出不去了。

It is up to sb. to do sth. 该句型为“该由某人做。。。”。该句型中up后的to是介词。 It is up to him to clean our classroom today. 今天应由他做教室清洁。 It is up to parents to teach their children manners. 该由父母教孩子礼貌。

(1)没有be up to do这种说法。 (2)be up to doing sth. (体力或智力上)能胜任:I'm not up to going to work today.今天我不能去上班。(可能是身体不舒服。) (3)be up to sth. (体力或智力上)能胜任:He is not up to the job.他无...

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