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这个to是介词还是不定式符号

2016-09-14来源:和谐英语

这个to是介词还是不定式符号

【题目】

We are looking forward to ________ from Mary.

A. hear                        B. hearing                        C. heard                        D. have heard

【分析】

此题应选B。容易误选A,认为其前的to是不定式符号。

to有时是不定式符号,有时是介词。用作介词时,注意以下常见搭配:

look forward to 盼望

devote……to 致力于,献身于

pay attention to 注意 stick to 坚持

be used to 习惯于(但used to表示过去经常,to为不定式符号;be used to 表示“被用来……”时,to 也是不定式符号)

on the way to 即将成为 (但表示“在做某事的路上”时to是不定式符号)

【类似】

1. He was devoted to _________ the poor.

A. help                         B. helping                     C. helped                      D. being helped

2. The weather was cold,but soon he got used to

_________ there.

A. live                          B. living                        C. lived                         D. having lived

3. You should pay more attention to __________ with

those who differ with you.

A. unite and work          B. uniting and working    C. unite and working     D. uniting and work

4. She was on her way to __________ her daughter.

A. see                           B. seeing                        C. saw                        D. have seen

5. He was on the way to __________ an engineer.

A. become                    B. becoming                    C. became                   D. be

答案:1. B 2. B 3. B 4. A 5. B