in both 还是 both in ?I wish to get a further understanding of mathematics with applications both in/in both science and Engineering.

in both love is in both in both 还是 both in ?I wish to get a further understanding of mathematics with applications both in/in both science and Engineering. both 的位置Proficient in both written and spoken Chinese还是 Proficient both in written and spoken English Her parents are both in both are还是are both Both English and French_____(speak) in Canada. 改错They both are in Class1,Grade8. we are both in need of happiness 请翻译：travel in both directions We both take pride in hers The both e________ living in china. Her p____ both work in Shanghai now. both both both. 是they both have 还是they are both have还有一个are the boys in blue 还是are the boys in blues a excited look ___ his face请问是填 in 还是 on 还是 both ok