He tried his best to solve the problem, ________ difficult it was．
| A．however | B．no matter |
| C．whatever | D．although |
Mr. Lin is ___________ at repairing hard wares.
| A．professor | B．better |
| C．experted | D．expert |
With all the exercises ________, Jack went out to play badminton with his classmate.
| A．finishing | B．to finish |
| C．finished | D．being finished |
—Is that the small town you often refer to?
—Right, Just the one_____ you know I used to work for years.
| A．that | B．which |
| C．where | D．what |
—Why didn’t you buy the camera you had longed for?
—I had planned to, but I was £50 ____.
| A．fewer | B．less |
| C．cheap | D．short |
When____ help, one often says “Thank you. ” or “It’s kind of you. ”
| A．offering | B．to offer |
| C．to be offered | D．offered |