We feel __________ our duty to make our country a better place.
| A．it |
| B．this |
| C．that |
| D．one |
She doesn't know _________________ made her daughter so sad this morning.
| A．what was it | B．why it was that |
| C．how that was | D．what it was that |
Only when __________________ permission _______________ allowed to enter the lab.
| A．a teacher has given; are the students | B．has a teacher given; are the students. |
| C．has a teacher given; the students are | D．a teacher has given; the students are |
—Will you be able to finish your work today ? .
—________ .
| A．I like it | B．I hope so | C．I’ll do so | D．I’d love it |
Why didn't you tell me there was no meeting today? I all the way here through the heavy snow.
| A．needn't have driven | B．can't have driven |
| C．mustn't have driven | D．shouldn't have driven |
The movie is__________ boring; it is, in fact, rather exciting and interesting.
| A．anything but | B．nothing but | C．no more' | D．all but |