Alice is one of the students who I am sure always bestin most difficult situations.

We will be for ______ promises to volunteer to help us solve the puzzling problem

birthday, Mary!—Thank you! It’s the best present I for．

Bruce _________his legwhen he _____ in a football match yesterday afternoon

In some countries, people ______ download (下载) music from the Internet without paying, because it’s against the law.