Question

Please keep quiet. If you make a lot of ________, you may disturb others.

1. A.
   voice
2. B.
   noise
3. C.
   sound
4. D.
   singing

Answer 1

B
解析：A项常指人们说话等的声音，而sound泛指各种声音，singing指“歌声”noise指“不悦耳的声音，令人不愉快的噪音”等。而句子中谈到；you may disturb others，以此推测出这里指“令人不愉快的声音”，故B为正确答案。