beginning of a speech, it is very important to grab the audience’s attention and make them interested in ______ you have to say.

To tell you the truth, I have nothing to do ____ it

There is too much snow on the ground. If you walk too fast， you will ____.

per studies some _______ cases inwhich something somehow wrong leads to the miscommunication, so that Englishteachers may improve their teaching

The book is said to the special one,many events not found in other history books.