The last paragraph mainly explains ______

(单选题)They might have found a better hotel if they ______ a few mo (单选题)Every means ______ tried out but never with success, as far (单选题)I didn’t mean ______ anything but the ice cream looked so go (单选题)There is a feeling in me ______ we’ll never know what a UFO (单选题)Susan had quitted her well-paid job and ______ as a voluntee (单选题)Human behaviour is mostly a product of learning, ______ the (单选题)So ______ to Coca-Cola that he can hardly go without it. (单选题)It took him a long time to ______ the skills he needed to be (单选题)The little boy came riding full speed down the motorway on h (单选题)Self-driving is an area ______ China and the rest of the wor