They both are 还是They are both原因

They both are 还是They are both原因 they are both australian 还是 they are both australians 是THEY ARE BOTH 还是THEY BOTH ARE 他们都是,是both are they 还是 they both are? 是they both have 还是they are both have They are both late now they are both interested english they both have 还是they are both have；提问时,是用be动词还是do they ------teachers.a.both are b.are both both are还是are both They are both from China.They are all from China. they are both as happy as they are old,