1.We don't know what we can do next.
问题描述：
1.We don't know what we can do next.
转换为:We don't know ___ ___ ____next.
2.If you know where it could be,please call me .
转换为：If you have ____ ____ on where it could be ,please ___me ___.
3.He decided to study Eglish hard from now on .
转换为：He ____ ____ ____ to study Eglish hard from now on.
4.There was a shop near our school ,but now there isn't.
转换为：There ____ ____ be a shop near our school
答
1.what to do
2.the news,ring up
3.made a decission
4.used to