谁能给我提供一些状语从句的练习题
问题描述：
谁能给我提供一些状语从句的练习题
最好是时间状语、条件状语、让步状语、原因状语从句.
答
练习题 I .填入适当的引导词 1.I haven't heard from him _____ he went to America .2.He won't be here _____ he is invited .3.He will not go to the cinema _____ he is very busy .4.We found the key _____ s...