问题详情：
句型转换。根据所给要求，改写下列句子。（每空限填一词）
1.I find it’s important for students to review new knowledge before class.（改为同义句）
I find ______ for students to review new knowledge before class.
2. They visited their relatives on their vacation.（对划线部分提问）
_____ did they ______on their vacation ?
3. We had really bad weather. （改为感叹句）
weather we had ！
4. Mary studies English by asking the teachers for help.(对划线部分提问)
______ Mary study English ?
5. Does Tom do his homework carefully? We wonder. (合并为一句)
We wonder ___ Tom ____ his homework carefully.
【回答】
1．it important 2. What do 3. What bad
4. How does 5. If/whether does
知识点：句型转换
题型：未分类
