选择下面的句子补全对话：

　　A．He gives it to Miss Gao.

　　B．Let me help him clean the classroom.

　　C．But he isn't here.

　　D．Let's go home.

　　E．It's time to go home.

　　F．I'm on duty today.

　　G．What's the time, please?

　　H．He's in the teacher's room.

　　I．He's a very good boy.

　　J．Is Li Lei on duty today?

　　Liu Tong: Excuse me, (1) ?

　　Hu Cheng: It's five o'clock. (2) .

　　Liu Tong: Yes.

　　Hu Cheng: (3) !

　　Liu Tong: Oh, no. (4) . I must clean our classroom.

　　Hu Cheng: (5) , too?

　　Liu Tong: Yes. (6) .

　　Hu Cheng: Where's he?

　　Liu Tong: (7) . He finds a watch. (8) .

　　Hu Cheng: (9) . We must learn from(向……学习)him.

　　Liu Tong: You're right. (10) .

　　Hu Cheng: OK!

根据中文意思完成句子。
【小题1】课间，你们最好去室外散散步。
__________go out for a walk during the break.
【小题2】在日常生活中，向雷锋学习对我们来说是有益的。
____________learn from Lei Feng in our daily life.
【小题3】我刚才看到他们正在操场上跑步。
I ____________________on the playground just now.
【小题4】玛丽检查得很仔细，在考试中她没犯任何错误。
Mary checked so carefully __________________________in the test.
【小题5】恐怕这场大雨将迫使他们把运动会推迟到下周。
I’m afraid that _______________________________.