Without proper lessons, you could a lot of bad habits when playing the piano.
| A．keep up |
| B．pick up |
| C．draw up |
| D．catch up |
He's got himself into a dangerous situation __________ he is likely to lose control over the plane.
| A．where | B．which |
| C．while | D．why |
It's helpful to put children in a situation __________ they can see themselves differently.
| A．that | B．when |
| C．which | D．where |
All of the things there are in-expensive, with prices __________ from about $1 to $10.
| A．changing | B．ranging |
| C．distinguishing | D．differing |
This restaurant has become popular for its wide __________ of foods that suit all tastes and pockets.
| A．division | B．area |
| C．range | D．circle |
She __________ an old friend of hers yesterday while she was shopping at the department store.
| A．turned down | B．dealt with |
| C．took after | D．came across |