With a lot of children _________ noise around, the students couldn’t concentrate their attention on what they were learning.

A．to make           B．making            C．made             D．were making

There was a lot of noise and the speaker couldn't make himself ________.

1. A.
   heard
2. B.
   to hear
3. C.
   to be heard
4. D.
   hearing

There was a lot of noise and the speaker couldn't make himself ________.

[　　]

There was a lot of noise and the speaker couldn't make himself ________.

[　　]

It's bad manners to make a lot of noise ________ eating.

1. A.
   during
2. B.
   while
3. C.
   if
4. D.
   in