Question

1.--Do you regret ____100 dollars for the qingting --No ,i w

Answer 1

答案为CB

第一题：regret doing sth= regret having done sth后悔做了某事

regret to do （后悔去做某事、还没做）

twice as much 倍数放在as前面如 he had twice as much money as i did

第二题：考whether引导的让步状语从句,

whether：不管.whether （they are）solids ,liquids ,or gases ,中they are可以省略.

翻译：所有的物质：不管是固体、液体、还是气体、都是有原子构成的.

希望能帮到您.