Group activities will be organized after class _______ children develop team spirit.

Smoking is bad for your health. You should .

We can never forget the days _______ the two astronauts in spaceship worked together and the days ________ we spent together.

What do you think of the bottled water? –I don’t like it at allIt is reported that much nutrition, including some minerals, _____ while it is being processed

Where is Jack –He’s left a ______saying that he will be back in a minute.