Choose the correct antonym of \'Eloquent\':

She speaks English _____ fluently.

Choose the correct sentence (advanced grammar):

Choose the correct use of \'fewer\':

Read the passage: \'Renewable energy sources like solar and wind now account for 30% of global electricity. However, their intermittency requires advanced battery storage systems to ensure consistent supply.\' What is the main challenge mentioned?

Choose the correct antonym of \'Generous\':