Are is the answer because sit means more than 1
Their parents or their willing to do anything to be with each other
There are two dictionary definitions. 1) shaking or quivering slightly. 2)timid or nervous
Coherence in writing is the logical bridge between words, sentences, and paragraphs. Coherent writing uses devices to connect ideas within each sentence and paragraph.
So the best answer would be: the order of ideas enabling the reader to move easily from point to point
