The waterfall can be seen _______. Its sound may be heard _______ two miles. It looks even more beautiful _______, I think.
| A．at a distance; in the distance of; from a distance |
| B．from a distance; in the distance; at a distance |
| C．in the distance; from a distance of; at a distance |
| D．in the distance ; at a distance of; from a distance |
The number of people invited __________fifty, but a number of them__________ absent for different reasons.
| A．were; was | B．was; was | C．was; were | D．were; were |
all the required papers, he didn’t answer the questions fluently in class．
| A．Having not read | B．Not having read |
| C．Not read | D．Not to read |
With everything ________, the teacher started the slide show.
| A．in the place of | B．in places |
| C．in the place | D．in place |
When help, one often says, “Thank you”, or “It’s kind of you．”
| A．offering | B．to offer | C．to be offered | D．offered |
When ____ to danger and conflict, men tend to increase blood pressure, ______ nervous and anxious.
| A．exposed; felt | B．exposed; feeling |
| C．exposing; feeling | D．exposing; felt |