有两个句子呢.
宾语从句都是what they were doing.
第一个句子的时间状语从句是when they heard the news of important events in history,第二个时间状语是on April 4,1968.
有两个句子呢.
宾语从句都是what they were doing.
第一个句子的时间状语从句是when they heard the news of important events in history,第二个时间状语是on April 4,1968.