Expected noises are usually more _____ than unexpected ones of the like magnitude.
| A．manageable | B．controllable |
| C．tolerable | D．perceivable |
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 |
Smiling doesn't ________ mean you're happy.Sometimes, it just means that you're strong enough to face problems.
| A．fortunately | B．eventually |
| C．deliberately | D．necessarily |