The hero said he didn’t think twice ____ diving into the freezing river to rescue that child.

It was on October 1st ____ new China was founded.

I’m going to Hangzhou for a holiday this weekend. —____ you are there, can you buy me some green tea

The package_______ a book and five CDs and thecourse________ many topics.

The purpose of this project is to make children________inreading aloud.