Read the following passage and choose the letter A, B, C, or D to indicate the correct answer to each of the questions:
THE OPEN UNIVERSITY
The Open University was created in 1968 to give people who cannot afford (1)________attend regular courses of study, the opportunity of studying and (2)________a university diploma or degree. They study at home and their academic performance is assessed by (3)________of written examinations or project work. Most Open University students (4)________in study while also holding down a job or coping with a busy home life. They study in order to update their job skills or for personal (5)________.
At the heart of most courses is a (6)________of specially written and professionally printed textbooks and workbooks which students receive by post. On many of the courses, students are expected to watch television programmes on the BBC network, (7)________are usually broadcast in the (8)________ hours of the morning. The (9)________of these programmes is to develop and broaden the study experience, (10)________students do not have to rely only on the printed material they are sent.
Điền vào ô 2
A. obtain
B. to obtain
C. obtained
D. obtaining
Đáp án : D
Trước và sau “and” phải cùng một loại từ. Trước nó là Ving thì sau nó cũng phải là Ving