How do you determine exchange rates?

1the guest speaker for the functionwas welcomed -_ by theaudience.a. slowly c. gracefullyb. warmly d. carelessly4 mr rajinder and his youngerbrother shared thefor their mother's 70th birthdayfunction.a. expensiveb. experimentс. expensesd. expertisethe birdits wings andflew into the sky..a stretched c openedb gathered d flapped3the newly wedded bridea beautiful saree for her weddingreception.a. wearwearsb. wored. wearingpuan faridah went to theto sew a new baju kurung for herself.a. floristb. bakeryc. dentistseamstress