根据所给汉语意思,完成下列句子。
1. 说实在的,我真的不知道我是否会对孩子们的生活产生影响.
____________, I doubt __________to these boys' lives at all.
2. 她正要出去买东西,这时天开始下起雨来了.
She _______ go shopping ________ it began to rain.
3. 患难见真情.
A friend _________ is a friend_________.
4. 我一直忙于学习,以至于我没有时间参与社会活动.
I have ________ study that I haven't had time for social activities.