_______ may have a chance to be successful if he tries his best.

－Dad, can I buy _______ of these two T-shirts, they are really cool.－I’m afraid you can’t. You can only have one of them. 

David said that it was because of his strong interest in literature ___ he chose the course.

Helen has been looking for a job over the whole year, feeling she can’t get _________ without work experience.

---Is there ___________interesting on the Internet?---Yes. The First Lady Peng Liyuan attracts more attention than her husband on the visit to Russia and some other European countries.