His classes were packed and students, responding to the warmth of his personality and the ______of his lectures, would cluster round him before and after the class to bombard him with questions.

单项选择题I didn't need any specific medical input or ______ control, although I was in a mess physically and I did need to rest, relax, and recharge myself.

单项选择题Skippers must make a report to customs either in person or by telephone, if they have any duty-free goods on board, or are carrying prohibited goods including animals ______ their port of departure.