no matter+疑问词引导让步状语从句有关试题答案解析

考点：时间状语从句

题型：单词拼写-适当形式 | 难度：适中

1 . You can ask your teachers or parents for help ________ (when) you have trouble.

考点：时间状语从句的用法

题型：单词拼写-汉语提示 | 难度：容易

2 . ________ (无论何时) you are to walk on the ice, check that it is safe enough.