What has made ordering and delivering takeaway food easy?

(单选题)A number of buildings have arisen ______ there was nothing a (单选题)Physical activity is beneficial to the brain just ______ men (单选题)Half an hour later, Lucy still couldn’t get a taxi ______ th (单选题)They will travel to Singapore next month ______ they have en (单选题)______ finishes eating lunch last ought to wash the dishes. (单选题)It’s not a problem ______ we can win the battle. It’s just a (单选题)We have good hopes ______ our mom will get recovery soon. (单选题)Was it from the lake ______ he often went fishing ______ he (单选题)There are many strict principles for students, ______ his ne (单选题)Many lessons are now available online, from ______ students