get down to后接do还是doing,

get down to后接do还是doing, get down to 后加do还是doing,to什么时候作介词,什么时候作不定式 get down to do还是get down to doing是开始从事的意思? get sb down 后面接 to do sth 还是doing sth?还是其他的? get sb down后面加doing还是to do? don't get后加什么是加to do 还是doing 还是 do set down to do 还是 doing get it down 还是 get down it get sb to do sth 还是get sb do sth? get down to翻译 mind 后接doing 还是to do suggest后接 to do还是 doing risk 后接 doing 还是 to do enough后接doing还是to.do had better后接to do 还是接do make sure后接to do还是do It's better to do sth rather than后接 do还是 doing还是 to do settle down to 后面接do