What do they meam ( ) English?

What do they meam ( ) English? What do you meam by I hope you are doing well,thanks 翻译what can they do to improve their English? They teach English college_______they do on Sundays.A.what B B:what （ ） do they （ ） A:English what do they do? what do they do they Are they English还是Do they English What---- they------- （do） now?They------（have）an English les what do children do in English when they are free?意思 What will they do? they/have/what/do/(?)