you haven't changed much since we met last year.much能否改成a lot或者greatly

you haven't changed much since we met last year.much能否改成a lot或者greatly
you haven't changed much since we met last year.much能否改成a lot或者greatly

you haven't changed much since we met last year.much能否改成a lot或者greatly
可以用第一个

可以，这里需要的是个副词来修饰动词changed，而much，a lot，greatly做副词意思为“很，很多。”

可以用a lot
greatly会很奇怪虽然语法上没错误