—_______ do you talk to your teacher at the School Air?
—Once a week.
| A．How long | B．How much |
| C．How soon | D．How often |
--Wow! You have a ticket to the Expo!
--lt - by my uncle. He is working in Shanghai.
| A．has bought | B．had bought |
| C．is bought | D．was bought |
Look, the set of keys _ _ on the teacher's desk.
| A．are | B．were | C．is | D．was |
This is useful book,book is my brother's.
| A．a; the | B．an; the |
| C．a; an | D．an; a |
Study hard,_ _ you will pass the exam.
| A．so | B．or | C．but | D．and |
About of the students like keeping diaries in English in our class.
| A．two fifth | B．two fifths |
| C．second five | D．two five |