65.（   ）

(单选题)They were excited by the possibility of importing ______ oil (单选题)The little boy pointed to the cut and shouted to the mother, (单选题)______ of his childhood home in Hannibal, Missouri, provided (单选题)Container-grown plants can be planted at any time of the yea (单选题)In my opinion, you can widen the ______ of this improvement (单选题)As a defense against air pollution damage, many plants and a (单选题)As your instructor advised, you ought to spend your time on (单选题)Some of the most important concepts in physics ______ their (单选题)She felt a bit uneasy when she approached the monkey because (单选题)As we know, knowledge is the ______ condition for expansion