According to statistics, Chinese people between the ages of 18 and 70 read 6.7 books___ last year, including paper books and e-books.
| A．on purpose | B．in return |
| C．on average | D．in common |
In China，________pressure to pass________exams tends to cause lack of students’ creativity.
| A．/；the | B．a；the |
| C．the；/ | D．/；the |
Shall we take________short break? I want to make________call.
| A．the；a | B．a；the |
| C．the；the | D．a；a |
Everything comes with ________ price；there is no such ________ thing as free lunch in the world.
| A．a；a | B．the；/ |
| C．the；a | D．a；/ |
The artist，whose early career was far from being________success，is now widely recognized as________master of painting.
| A．/；a | B．/；the |
| C．a；a | D．a；the |
．We can never expect _________ bluer sky unless we create _________ less polluted world.
| A．a；a | B．a；the |
| C．the；a | D．the；the |