1 a 副词all一般放在be动词和实义动词中间
2 a have problem/trouble/difficulty doing sth.都表示做某事有困难
3 rains,从句一般现在时,主句用将来时,从句如果用will do sth.表示愿意做某事
4 isn't it?
1 a 副词all一般放在be动词和实义动词中间
2 a have problem/trouble/difficulty doing sth.都表示做某事有困难
3 rains,从句一般现在时,主句用将来时,从句如果用will do sth.表示愿意做某事
4 isn't it?