—How was your recent trip to Jiuzhaigou?
—I’ve never had one before.
| A．a tired | B．a more tiring |
| C．a most tiring | D．the most tired |
Many people have applied for a job with our company, but we only have one or two ______ positions at the moment.
| A．empty | B．vacant | C．permanent | D．adequate |
—Hello, is Mr Smith in?
—Sorry, there is no such person _______ you referred to in my office.
| A．that | B．as |
| C．who | D．whom |
Medical doctors sometimes can make mistakes _______ will cost ________.
| A．that; patients their lives |
| B．what; patients their lives |
| C．which; patients for their lives |
| D．that; patients with their lives |
The first painting Guilin Heights, which ______ several steep hills with the Li River _______ below, _______ over three meters tall.
| A．focuses on; flowing; measures | B．focuses on; flows; measuring |
| C．focusing on; flowing; measures | D．focusing on; flows; measuring |
________, I think, and the problems could be settled.
| A．If you double your efforts |
| B．So long as you keep up your spirits |
| C．Making greater efforts |
| D．A bit more efforts |