_____ his knowledge of the mountainous country, John Smith was appointed as our guide.
| A．In spite of | B．On account of |
| C．Regardless of | D．Instead of |
—Mr. Black, I think you have good taste in ________ art. So would you like to take ________ look at the painting?
—Yes, I'd love to.
| A．/; a | B．a; the | C．/; the | D．an; a |
Though you've got a tight schedule these days, I should be ________ if you could spare time to attend our meeting today.
| A．concerned | B．fascinated |
| C．grateful | D．determined |
—Can you describe a distinctive characteristic of this animal?
—Its neck can be extended ________ of its body.
| A．more than twice the length |
| B．twice more than the length |
| C．more than the length twice |
| D．more twice than the length |
In the TV ad, the actress is asked to jump with her mouth ________ open, showing her ________ teeth.
| A．wide; sounding | B．widely; sounding |
| C．wide; sound | D．widely; sound |
It is universally believed that a student with an extremely ________ mind usually gets high scores in the exams, especially in the physics exam.
| A．sharp | B．shallow | C．narrow | D．awful |