题目内容
3. 我听到他们在教室里读书。
3. I heard them reading in the classroom.
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4. The period (give) dance classes increases gradually from two or three hours a day to five or six.
题目内容
3. 我听到他们在教室里读书。
3. I heard them reading in the classroom.
4. The period (give) dance classes increases gradually from two or three hours a day to five or six.