_____ many times, she still didn't know how to do it.
| A．She was taught | B．Having taught | C．Having been taught | D．She has taught |
In a typhoon, winds _____ a speed greater than 120 kilometers per hour.
| A．assume | B．accomplish | C．attain | D．assemble |
I'm afraid this painting is not by Picasso. It's only a copy and so it's _____.
| A．priceless | B．invaluable | C．unworthy | D．worthless |
There were no tickets _____ for Friday's performance.
| A．preferable | B．possible | C．considerable | D．available |
Though _____ in San Francisco, Dave Mitchell had always preferred to record the plain facts of small-town life.
| A．raised | B．grown | C．developed | D．cultivated |
The government's strong action demonstrated its _____ to crush the rebellion.
| A．energy | B．resistance | C．courage | D．determination |