In this book, he tells of the __________________ good decisions.

Huck, how old is your mother this year — . And we had a party for her birthday last weekend.

The children, _____ had played the whole day long, were worn out.

Wind power is an ancient source of energy___________ we may return in the near future.

It’s a pity that you ______ leave so soon. Your uncle will be home in 10 minutes and he misses you so much.