The teacher asked a very difficult question. It was Ted who finally _____ a good answer.
| A.came up with | B.had raised | 
| C.went through with | D.put up with | 
The disappointed father felt no way to live, ______ at the _____ son angrily.
| A.staring; disappointing | B.having stared; disappointing | 
| C.stared; disappointed | D.having stared; disappointed | 
After he became conscious, he remembered ______ and_____ on the head with a rod.
| A.to attack; hit | B.to be attacked; to be hit | 
| C.attacking; hitting | D.having been attacked; hit | 
______, we had to put off the tennis match.
| A.It being rainy | B.There being raining | C.Having been raining | D.Being rainy | 
_______ from other continents for millions of years, Australia has many plants and animals not found in any other country in the world.
| A.Being separated | B.Having separated | 
| C.Having been separated | D.To be separated | 
How ______ you did so much work with such a short time?
| A.did it come about | B.did it come about that | 
| C.came about that | D.was it that came about |