句型转换

She devoted all her life to medical work for Chinese women and children.

She ________ all her life ________ medical work for Chinese women and children.

句型转换

She worked hard to make as many countries as possible agree not to use them.

She worked hard to make as many countries as________ ________agree to________ ________them.

请用介词、副词填空

How many of the students showed _____ at the party yesterday evening?

句型转换

When I walked into the classroom, the lights went out.

When I ________ the classroom, the lights ________ ________ ________.

句型转换

Do you understand what the teacher said just now?

Do you ________ ________ ________ what the teacher said just now?

句型转换

Yesterday I met an old friend in the street by chance.

Yesterday I met an old friend ________ ________ in the street.

句型转换

Since you have got such a good job, you'd better work hard

________ ________ you have got so ________ ________ job, you'd better work hard.

句型转换

You are very lucky to have a chance to study abroad.

You are ________ ________ ________ have a chance to study abroad.

用适当的介词填空

I paid 300 yuan ________ the coat.

用适当的介词填空

While in class, please fix your attention ________ the book.