——With 4G mobile phones, people can even see each other as they talk.
——Really? Would you show me it, please?
| A．how to use | B．when to use | C．where to use | D．what to use |
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 |
Yesterday was my birthday. My friend sent me a CD is made by Han Geng.
| A．who | B．what |
| C．which | D．whom |