---Which color do you prefer, red or black?
---Red. For red_____a sense of energy and strength.
| A．delivers | B．conveys | C．contributes | D．concentrates |
Please put away your clothes hanging outside. As you know, dark clouds______ heavy rain.
| A．admit | B．promise | C．present | D．permit |
_______ that your resume works for you, I recommend writing it more like a proposal than a job description.
| A．Ensuring | B．Ensured | C．Having ensured | D．To ensure |
The headmaster was______ as to how to inform her of the news that her daughter failed to pass the exam again.
| A．at ease | B．in relief | C．in a hurry | D．at a loss |
Your sister must be helping the little girl with her homework, _______ ?
| A．needn’t she | B．mustn’t she | C．isn’t she | D．must she |
Unbelievable as it is, the film 2012 without doubt________ a warning that human beings are faced with potential dangers
| A．belongs to | B．serves as | C．exists in | D．accounts for |