____ the dog barking fiercely, away____.
| A．To hear; fleeing the thief |
| B．Hear; was fleeing the thief |
| C．Heard; the thief was fleeing |
| D．Hearing; fled the thief |
Scientists are hoping for a _____ in the search for a cure for cancer.
| A．breakthrough | B．break | C．deal | D．progress |
____ news came _____ an unknown disease was spreading in the area.
| A．Disturbing; that | B．Disturbed; which |
| C．Disturbing; which | D．Disturbed; what |
They have no idea at all ______.
| A．where he has gone | B．where did he go |
| C．which place has he gone | D．where has he gone |
Even though the Smiths have moved to a faraway place, we still see them ___.
| A．from time to time | B．at a time |
| C．at the same time | D．all the time |
He was ______ to find that it was almost impossible to undertake the task.
| A．cast off | B．cast out | C．cast away | D．cast down |