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to to 還是 for for

看看這道題，是填 to to 還是 for for：

Who is it up _________ decide whether to go or not？

A. to to                        B. for for                        C. to for                        D. for to

許多同學(xué)一看選項(xiàng)排除了A和B，因?yàn)橄駜蓚�(gè)介詞連在一起用一般是不可能的。至于C和D，該選哪個(gè)呢？顯然空格的 decide 是動(dòng)詞，所以它前面應(yīng)是不定式符號(hào)to，而不能是介詞 for，所以此題應(yīng)選D。此分析盡管有些道理，但所選答案還是錯(cuò)了，正確的選項(xiàng)應(yīng)是A。同學(xué)們應(yīng)該熟悉 up to 的用法，它的意思很多，其中一個(gè)用法是表示“該由……負(fù)責(zé)”，“在于……”、“取決于……”。如：

“Shall we go out?” “It’s up to you.” “我們出去嗎？”“這由你決定。”

When we start is up to you. 我們什么時(shí)候出發(fā)由你來定。

It’s up to you to decide whether to go or not. 去還是不去由你來決定。

若對(duì)上面一句中的you 提問即有：

Who is it up to to decide whether to go or not？

請(qǐng)?jiān)倏匆韵聨最}:(www.52ysedu.com)

(1) I asked him what he hoped _________ his birthday.

A. on on                      B. at at                        C. to to                        D. for for

答案選D。比較：He hoped for a bike for his birthday. 若對(duì)其中的 a bike 提問即得到 What did he hope for for his birthday.

(2) Would you tell me what subject you were good _________ school?

A. at at                        B. in in                        C. for for                     D. with with

答案選A，be good at = 擅長于，at school = 在校，在學(xué)校讀書。

(3) The books we _________ nothing to do with this subject.

A. have have                B. do do                      C. read read                  D. need need

答案選A，we have 是修飾 the books 的定語從句，have nothing to do with 是短語，意為“與……無關(guān)”。

(4) Whoever has a strong _________ not leave his work half way done.

A. shall shall                  B. will will                  C. can can                    D. may may

答案選B, 第一個(gè)will 是名詞，意為“意志”，have a strong will 意為“意志堅(jiān)強(qiáng)”；第二個(gè) will 是助動(dòng)詞，意為“將”。