题目内容
3. When are you free (fly) kites?
4. I came up with ideas for (make) money to continue my studies.
5. Many students volunteer (help) poor people.
3. to fly 4. making 5. to help
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题目内容
3. When are you free (fly) kites?
4. I came up with ideas for (make) money to continue my studies.
5. Many students volunteer (help) poor people.
3. to fly 4. making 5. to help