A. As soon as he had B. Once he had C. Hardly had he D. No sooner had he
单项选择题If you can’t turn the key, try （） some oil in the lock.
A. put B. putting C. to put D. to putting
单项选择题（）, our next step is to determine how to carry it out.
A. The plan having been made B. Making the plan C. The plan being made D. Having made the plan
