完成句子。
1. 他经常与他的同学在午餐时聊天.
He often _______ ________his classmates ________ lunchtime.
2．请看标志.你不能把报纸带回家.
Please _______ at the sign. You ________ ___________newspapers home.
3. 你双胞胎弟弟常在周末给朋友写电子邮件吗?
______ your _____ brother often write _______ his friends at the weekend?
4. 你生日通常收到些什么?
________ do you usually _______ ________ your birthday?
5. 你擅长于打排球吗?
Are you ________ _________ _________ volleyball?