—Putting on a happy face not only helps us make friends but also makes us feel better.— .
A thousand words will not leave so deep an ________ as one deed.
—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.
Though you've got a tight schedule these days, I should be ________ if you could spare time to attend our meeting today.
—Can you describe a distinctive characteristic of this animal?—Its neck can be extended ________ of its body.
In the TV ad, the actress is asked to jump with her mouth ________ open, showing her ________ teeth.