Coffee is ready. It _______ very nice! Would you like some

I think we should keep the animals in the zoo.—No. I am ________ you. Animals should be in the nature.

The charity organization has launched a TV appeal _______ people should do as much as they could to help those survivors in the earthquake.

I hear that Tom will be back_______ a month.

This kind of software for English study _____ a lot of students who are weak in oral English.