1.如果有拼写不出来的新单词,你就查查字典.If you don't know how to spell new words,_____ them ____

1.如果有拼写不出来的新单词,你就查查字典.If you don't know how to spell new words,_____ them ____
1.如果有拼写不出来的新单词,你就查查字典.
If you don't know how to spell new words,_____ them _____ in a______.
2.他通过编（写）对话来学习英语.
He learns English by __________ conversations.
3.我们不能以中断友情来解决问题,这样对朋友不公平.
We can't _____ a pronlem by _____ a friendship.It's_______.