1. Is it necessary for us to discuss the problem of advertising at our next meeting?
2. When is it necessary for us to discuss the problem of advertising ?
3. Is it necessary for us to discuss the problem of advertising or financing at our next meeting?
4. It is necessary for us to discuss the problem of advertising at our next meeting, isn't it?
1. Is it necessary for us to discuss the problem of advertising at our next meeting?
2. When is it necessary for us to discuss the problem of advertising ?
3. Is it necessary for us to discuss the problem of advertising or financing at our next meeting?
4. It is necessary for us to discuss the problem of advertising at our next meeting, isn't it?