We ______the luggage for him. His brother did it for him.
| A.didn’t need carry | B.needn’t have carried |
| C.didn’t need to carry | D.needn’t carry |
The exhibition _____ such endangered animals as the giant panda and the Siberian tiger and describes the work being done to protect them.
| A.exploits | B.features |
| C.demonstrates | D.inspects |
If you completely ____ foods and drinks that you love, you'll only set yourself up to go on a large amount of those items later.
| A.take out | B.cut out |
| C.give out | D.put out |
Over the years, people have learned from ants that teamwork and perseverance are indeed two key ______ to success.
| A.certificates | B.ingredients |
| C.approaches | D.instructions |
If a friend snaps at you or is unfriendly, step back, and with a sense of compassion, try to experience life from his____.
| A.perspective | B.priority |
| C.privilege | D.policy |
It may be necessary to stop _____ in the learning process and go back to the difficult points in the lessons.
| A.at intervals | B.at random |
| C.at ease | D.at length |