1 . It’s hard for me to make a _________ between the two types of computers.

A．choice

B．mistake

C．joy

D．noise

2 . —Claudia used to be in a band. She is no second to a professional singer.
—No wonder she can control her ________ so well.

A．sing

B．voice

C．sound

D．noise

3 . The little girl’s ________ is so beautiful. I’m sure she’ll become a singer.

A．sound

B．voice

C．noise

4 . Miss Gao spoke in a loud ________ so that everyone could hear her clearly.

A．noise

B．sound

C．voice

5 . —Lily has a sweet ________.
—I think so. Listen, she is singing in the next room!

A．look

B．noise

C．voice

D．sound

6 . My new friend has a good ________. She wants to join the Music Club.

A．voice

B．sound

C．noise

D．word

7 . Don’t make n_________. Your sister is studying.

8 . The presenter has a very pleasant (令人愉快的) ________. So many people like his programme.

A．voice

B．sound

C．noise

9 . Teachers are strict with their students in order to help them make great ________.

A．noise

B．progress

C．mistakes

D．suggestions

10 . I always enjoy the ________ of birds singing in the morning.

A．cry

B．sound

C．voice

D．noise