Shackleton kept his promise ____he would return to Elephant Island ____the crew had been left.
| A．which; that | B．that; which | C．what; where | D．that; where |
In order to gain a bigger share in the international market, many state-run companies are striving _____ their products more competitive.
| A．to make | B．making | C．to have made | D．having made |
Fishing is his favorite hobby, and _____.
| A．he’d like to collect coins as well | B．he feels like collecting coins, too |
| C．to collect coins is also his hobby | D．collecting coins also pleases him |
I really appreciate _____ to relax with you on this nice island.
| A．to have had time | B．having time | C．to have time | D．to having time |
The bell _____ the end of the class rang, _____ our heated discussion.
| A．indicating, interrupting | B．indicated, interrupting |
| C．indicating, interrupted | D．indicated, interrupted |
As early as 1647 Ohio made a decision that free, tax supported schools must beestablished in every town _____ 50 households or more.
| A．having | B．to have | C．to have had | D．having had |