Four challenges that could impact domestic tourism could include natural disasters like forest fires keeping people out of an area due to the danger to life and limb, social unrest such as in Venezuela right now with the violence of the right wing in Caracas especially, poor economy with high unemployment so that many people can't afford to travel even locally, and seasonal activities that can only be done in certain parts of the year like boating in the summer and skiing in the winter.
The last one “Rebecca and Lauren went to the beach”
because it starts with a subject then a active verb
False, they can be used since if it replaced it will be “...Bruce no they...”. The subject hasn’t been identified
present perfect progressive verb describes the word organizing in the sentence The students have been organizing the school dance for the last month
<span>The PRESENT PERFECT PROGRESSIVE TENSE indicates a continuous action that has been finished at some point in the past or that was initiated in the past and continues to happen. The action is usually of limited duration and has some current relevance
</span>hope this helps