_________ to the question of refreshments，I should think lemonade and sandwiches will be enough.
句意：至于点心和饮料，我认为柠檬和三明治就足够了。as to (=with regard to 至于，关于) 是短语动词。因此选B。
—Have you heard the latest news？
—The last one ________ pays the meal.
We _________ so as not to wake the roommates.
Some pre school children go to a day care center，_________ they learn simple games and songs.
_________ nothing more to discuss，the CEO got to his feet，said goodbye and left the meeting room.
D、As there being