Without proper lessons, you would __________ a lot of bad habits when playing the piano.
| A．pick up | B．catch up | C．keep up | D．give up |
____ a peasant boy of no more than seventeen, who was badly wounded.
| A．Seated in the corner was |
| B．Was seated in the corner |
| C．In the corner was seating |
| D．In the corner was seated |
--- Do you often feel anxious and uncomfortable?
--- No, but I __________.
| A．didn’t | B．used to be |
| C．used to | D．wasn’t |
Those _____ cannot answer all three riddles will be condemned to death.
| A．that | B．who |
| C．which | D．what |
Some people get in touch with each other by mobile phones__________ others keep contact with each other by e-mail.
| A．when | B．before | C．while | D．since |
It’s much easier to make friends ____ you have similar interests.
| A．unless | B．when |
| C．even though | D．so that |