---Mr. White didn’t come last night, did he? ---No. We for him. A whole night was wasted. A. had waited B. have been waiting C. were waiting D, had been waiting
---Would you mind my using your dictionary? ---________
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.
It is universally believed that a student with an extremely ________ mind usually gets high scores in the exams, especially in the physics exam.