Hello can someone do this Spanish thing for me? You don't have to type the whole sentence just the correct word that suppose to go in the blank. Thank you! :)

In english, discuss the positive and negative effects of technology. think about technology as we use it in our daily lives, education, work field, sports, social media etc. 4-5 sentences

Es necesario que las autoridades nos medidas para proteger el medio ambiente. a. sugiera b. sugieran c. sugieras d. sugeremos

Which phrase best completes this sentence? en los almacenes están al aire libre. a. el supermercado b. el mall c. la feria artesanal d. la librería