1 . Don’t speak in ________ loud voice. I’m listening to ________ radio.

A．a; an

B．a; the

C．不填; the

D．the; 不填

2 . 请安静！墙上的标志告诫我们不能在这儿高声喧哗。
Please be quiet! The sign on the wall warns us ______________________ here.

3 . 请大声回答问题。
Please answer the question ________ ________ ________ ________.

4 . “Do your homework right now,” a voice said loudly. (保持原意不变)
“Do your homework immediately,” he said ________ a loud ________.

5 . 巨人大声地喊。
The giant cried ________ ________ ________ ________.

6 . They were talking in a loud v________. The teacher asked them to keep quiet.

7 . Don’t speak in a loud v_________ in the reading room.

8 . —Would you please lower your voice in ________ public?    
—Sorry. I will remember to speak in ________ lower voice.

A．the; a

B．/; a

C．the; the

D．/; /

9 . You should answer it in a l________ voice so that the teacher can hear you clearly.

10 . The boy answered the teacher’s question in a ________ （响亮的）voice.