--- What’s your brother?
---He _______ a teacher, but now he is a doctor.
| A．used to be | B．was used to |
| C．use to be | D．is used to be |
.This ring_______ silver.
| A．is made in | B．is made by |
| C．is made of | D．is made |
My father used to____ to work by bike, but now he is used to______ there.
| A．go, walk | B．going, walk |
| C．go, walking | D．going, walking |
She’s____a clever girl. She always gets good scores_____ exams.
| A．many, in | B．such, on |
| C．so. in | D．so, on |
---_____do you tell him about the event? ---By ____e-mail.
| A．How；send. | B．How；sending |
| C．What ；sending | D．What ；send |
It’s very difficult to learn English well , but you can’t___.
| A．put it up | B．take it up |
| C． look it up | D．give it up |